The Deeds of the Dukes of Normandy
The Gesta Normannorum Ducum [The Deeds of the Dukes of Normandy] is a landmark medieval chronicle tracing the rise and fall of the Norman dynasty from its early roots through the pivotal events surrounding the Norman Conquest of England. Originally penned in Latin by the monk William of Jumièges shortly before 1060 and later expanded at the behest of William the Conqueror, the work chronicles the deeds, politics, battles, and leadership of the Norman dukes, especially William’s own claim to the English throne. The narrative combines earlier historical sources with firsthand information and oral testimony to present an authoritative account of Normandy’s transformation from a Viking settlement into one of medieval Europe’s most powerful realms. William’s history emphasizes the legitimacy, military prowess, and governance of the Norman line, framing their expansion, including the conquest of England, as both divinely sanctioned and noble in purpose. Later chroniclers such as Orderic Vitalis and Robert of Torigni continued the history, extending the coverage into the 12th century, providing broader context on ducal rule and its impact. Today this classic work remains a foundational source for understanding Norman identity, medieval statesmanship, and the historical forces that reshaped England and Western Europe between 800AD and 1100AD.
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Paternal Family Tree: Mohun
22nd July 1298 Battle of Falkirk
1299 Edward I Creates New Barons
1300 Siege of Caerlaverock Castle
In or before 1269 [his father] John Mohun [aged 19] and [his mother] Eleanor Fitzpiers [aged 18] were married.
Around 1269 John Mohun 1st Baron Dunster was born to [his father] John Mohun [aged 20] and [his mother] Eleanor Fitzpiers [aged 19] at Dunster, Somerset.
On 11th June 1279 [his father] John Mohun [aged 30] died at Dunster, Somerset.
Before 1297 John Mohun 1st Baron Dunster [aged 27] and Ada Tiptoft Baroness Dunster [aged 21] were married.
In 1297 [his son] Thomas Mohun was born to John Mohun 1st Baron Dunster [aged 28] and [his wife] Ada Tiptoft Baroness Dunster [aged 22].
On 22nd July 1298 King Edward I of England [aged 59] defeated the Scottish army led by William Wallace during the 22nd July 1298 Battle of Falkirk at Falkirk [Map] using archers to firstly attack the Scottish shiltrons with the heavy cavalry with infantry completing the defeat.
John de Graham [aged 31] and John Stewart of Bonkyll [aged 52] were killed.
The English were described in the Falkirk Roll that lists 111 men with their armorials including:
Guy Beauchamp 10th Earl Warwick [aged 26].
Walter Beauchamp [aged 55].
Roger Bigod 5th Earl Norfolk [aged 53].
Humphrey Bohun 3rd Earl Hereford 2nd Earl Essex [aged 49].
Robert Clifford 1st Baron Clifford [aged 24].
Hugh "Elder" Despencer 1st Earl Winchester [aged 37].
William Ferrers 1st Baron Ferrers of Groby [aged 26].
Thomas Berkeley 6th and 1st Baron Berkeley [aged 52].
Maurice Berkeley 7th and 2nd Baron Berkeley [aged 27].
Henry Grey 1st Baron Grey of Codnor [aged 43].
Reginald Grey 1st Baron Grey of Wilton [aged 58].
John Grey 2nd Baron Grey of Wilton [aged 30].
John Mohun 1st Baron Dunster [aged 29].
Simon Montagu 1st Baron Montagu [aged 48].
William Ros 1st Baron Ros Helmsley [aged 43].
John Segrave 2nd Baron Segrave [aged 42].
Nicholas Segrave [aged 42].
Robert de Vere 6th Earl of Oxford [aged 41].
Alan Zouche 1st Baron Zouche Ashby [aged 30].
Thomas Plantagenet 2nd Earl of Leicester, 2nd Earl Lancaster, Earl of Salisbury and Lincoln [aged 20].
Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster [aged 17].
John Warenne 6th Earl of Surrey [aged 67].
Henry Percy 9th and 1st Baron Percy [aged 25].
Hugh Courtenay 1st or 9th Earl Devon [aged 21].
Richard Fitzalan 1st or 8th Earl of Arundel [aged 31].
Henry Beaumont Earl Buchan [aged 19].
John II Duke Brittany [aged 59].
Philip Darcy [aged 40].
Robert Fitzroger.
Robert Fitzwalter 1st Baron Fitzwalter [aged 51], or possiby a Roger Fitzwalter?.
Aymer de Valence 2nd Earl Pembroke [aged 23].
John Wake 1st Baron Wake of Liddell [aged 30], and.
Henry Lacy 4th Earl Lincoln, Earl Salisbury [aged 47].
William Scrope [aged 53] was knighted.
John Moels 1st Baron Moels [aged 29] fought.
John Lovell 1st Baron Lovel [aged 44] fought.
On 6th February 1299 King Edward I of England [aged 59] created a number of new Barons by writ of summons to Edward's 44th Parliament...
John Ferrers 1st Baron Ferrers of Chartley [aged 27] was created 1st Baron Ferrers of Chartley.
John Lovell 1st Baron Lovel [aged 45] was created 1st Baron Lovel of Titchmarsh. Joan Ros Baroness Lovel [aged 39] by marriage Baroness Lovel of Titchmarsh.
William Ros 1st Baron Ros Helmsley [aged 44] was created 1st Baron Ros Helmsley. Maud Vaux Baroness Ros [aged 42] by marriage Baroness Ros Helmsley.
William Devereux 1st Baron Devereux Lyonshall [aged 55] was created 1st Baron Devereux Lyonshall. Lucy Burnell Baroness Devereux Lyonshall by marriage Baroness Devereux Lyonshall.
Adam Welles 1st Baron Welles [aged 50] was created 1st Baron Welles. Joan D'Engayne Baroness Welles and Ughtred by marriage Baroness Welles.
Robert Clinton 1st Baron Clinton [aged 41] was created 1st Baron Clinton. Ida Odingsells Baroness Clinton [aged 34] by marriage Baroness Clinton.
John Moels 1st Baron Moels [aged 30] was created 1st Baron Moels.
The next baronies may not have been created on 6th February 1299 but were created in 1299 possibly for Edward's 45th and 46th Parliaments on 10th April 1299 and 21st September 1299 respectively.
Edmund Deincourt 1st Baron Deincourt [aged 49] was created 1st Baron Deincourt.
John Strange 1st Baron Strange Knockin [aged 46] was created 1st Baron Strange Knockin. Maud Eiville Baroness Strange Knockin by marriage Baroness Strange Knockin.
John St John 1st Baron St John Lagenham [aged 49] was created 1st Baron St John of Lagenham.
Robert Clifford 1st Baron Clifford [aged 24] was created 1st Baron de Clifford. Maud Clare Baroness Clifford Baroness Welles [aged 23] by marriage Baroness de Clifford.
Henry Grey 1st Baron Grey of Codnor [aged 44] was created 1st Baron Grey of Codnor. Eleanor Courtenay Baroness Grey Codnor by marriage Baroness Grey of Codnor.
John Mohun 1st Baron Dunster [aged 30] was created 1st Baron Mohun of Dunster. [his wife] Ada Tiptoft Baroness Dunster [aged 24] by marriage Baroness Mohun of Dunster.
Roger Scales 1st Baron Scales was created 1st Baron Scales.
John St John 1st Baron St John of Basing [aged 25] was created 1st Baron St John of Basing.
John Beauchamp 1st Baron Beauchamp Somerset [aged 24] was created 1st Baron Beauchamp Somerset.
Alan Zouche 1st Baron Zouche Ashby [aged 31] was created 1st Baron Zouche Ashby.
Henry Percy 9th and 1st Baron Percy [aged 25] was created 1st Baron Percy of Alnwick. Eleanor Fitzalan Baroness Percy [aged 15] by marriage Baroness Percy of Alnwick.
William Grandison 1st Baron Grandison [aged 37] was created 1st Baron Grandison. Sibylla Tregoz Baroness Grandison by marriage Baroness Grandison. His brother was also created Baron Grandison on the same day.
Otto Grandison 1st Baron Grandison [aged 61] was created 1st Baron Grandison. His brother was also created Baron Grandison on the same day.
Thomas de Multon 1st Baron Multon was created 1st Baron Multon Egremont. Eleanor Burgh Baroness Multon Egremont [aged 17] by marriage Baroness Multon Egremont.
Around 1300 [his son] John Mohun was born to John Mohun 1st Baron Dunster [aged 31] and [his wife] Ada Tiptoft Baroness Dunster [aged 25]. He married in or before 1320 Christiana Segrave, daughter of John Segrave 2nd Baron Segrave, and had issue.
In July 1300 Robert Clifford 1st Baron Clifford [aged 26], Hugh Courtenay 1st or 9th Earl Devon [aged 23], Simon Fraser, John Mohun 1st Baron Dunster [aged 31] and Simon Montagu 1st Baron Montagu [aged 50] fought at Caerlaverock during the Siege of Caerlaverock Castle.
Before 9th March 1301 seven Earls and 96 Barons signed a letter to the Pope refuting the Pope's claim that Scotland was subject to the Pope's feudal overlordship. The letter was never sent. Those who signed include: John Warenne 6th Earl of Surrey [aged 70], Thomas Plantagenet 2nd Earl of Leicester, 2nd Earl Lancaster, Earl of Salisbury and Lincoln [aged 23], Ralph Monthermer 1st Earl of Gloucester and Hertford [aged 31], Humphrey Bohun 4th Earl Hereford 3rd Earl Essex [aged 25], Roger Bigod 5th Earl Norfolk [aged 56], Richard Fitzalan 1st or 8th Earl of Arundel [aged 34], Guy Beauchamp 10th Earl Warwick [aged 29], Aymer de Valence 2nd Earl Pembroke [aged 26], William Leybourne 1st Baron Leybourne [aged 59], Henry Plantagenet 3rd Earl of Leicester 3rd Earl Lancaster [aged 20], William Latimer 1st Baron Latimer of Corby [aged 58], Edmund Hastings, John Hastings 2nd Baron Hastings 14th Baron Abergavenny [aged 14], Edmund Mortimer 2nd Baron Mortimer of Wigmore [aged 50], Fulk Fitzwarin 2nd Baron Fitzwarin [aged 16], Henry Percy 9th and 1st Baron Percy [aged 27], Robert Fitzwalter 1st Baron Fitzwalter [aged 54], John Beauchamp 1st Baron Beauchamp Somerset [aged 26], William de Braose 2nd Baron de Braose 10th Baron Bramber [aged 41], John Botetort 1st Baron Botetort [aged 36], Reginald Grey 1st Baron Grey of Wilton [aged 61], John Moels 1st Baron Moels [aged 32], Thomas Berkeley 6th and 1st Baron Berkeley [aged 55], Robert de Vere 5th Earl of Oxford, John Strange 1st Baron Strange Knockin [aged 48], Thomas Multon 1st Baron Multon [aged 25], Robert Clifford 1st Baron Clifford [aged 26], Walter Beauchamp [aged 58], Alan Zouche 1st Baron Zouche Ashby [aged 33], John Segrave 2nd Baron Segrave [aged 45], William Ferrers 1st Baron Ferrers of Groby [aged 29], Simon Montagu 1st Baron Montagu [aged 51], Piers Mauley, Ralph Neville 1st Baron Neville of Raby [aged 38], John Mohun 1st Baron Dunster [aged 32], Roger Scales 1st Baron Scales, Thomas Furnival 1st Baron Furnivall [aged 41], Hugh Bardolf 1st Baron Bardolf [aged 41], Gilbert Talbot 1st Baron Talbot [aged 24], William Deincourt 2nd Baron Deincourt, Edmund Stafford 1st Baron Stafford [aged 28], Walter Fauconberg 1st Baron Fauconberg [aged 81].
Around 20th February 1304 a chevauchée of English knights including Robert Clifford 1st Baron Clifford [aged 29], William Latimer 2nd Baron Latimer of Corby [aged 28], John Mohun 1st Baron Dunster [aged 35], John Segrave 2nd Baron Segrave [aged 48] and the future King Robert the Bruce I of Scotland [aged 29] attempted, unsuccessfully, to capture Simon Fraser and William Wallace at Happrew, Peebles.
In 1305 [his son] Reginald Mohun was born to John Mohun 1st Baron Dunster [aged 36] and [his wife] Ada Tiptoft Baroness Dunster [aged 30] at Dunster, Somerset. He married before 1325 his half second cousin once removed Elizabeth Fitzwilliam and had issue.
Around 1315 [his son] Laurence Mohun was born to John Mohun 1st Baron Dunster [aged 46] and [his wife] Ada Tiptoft Baroness Dunster [aged 40] at Tavistock, Devon.
In or before 1320 [his son] John Mohun [aged 19] and [his daughter-in-law] Christiana Segrave [aged 17] were married.
Before 1324 [his wife] Ada Tiptoft Baroness Dunster [aged 48] died at Penkevile, Rosorrow.
Chronicle of Abbot Ralph of Coggeshall
The Chronicle of Abbot Ralph of Coggeshall (Chronicon Anglicanum) is an indispensable medieval history that brings to life centuries of English and European affairs through the eyes of a learned Cistercian monk. Ralph of Coggeshall, abbot of the Abbey of Coggeshall in Essex in the early 13th century, continued and expanded his community’s chronicle, documenting events from the Norman Conquest of 1066 into the tumultuous reign of King Henry III. Blending eyewitness testimony, careful compilation, and the monastic commitment to record-keeping, this chronicle offers a rare narrative of political intrigue, royal power struggles, and social upheaval in England and beyond. Ralph’s work captures the reigns of pivotal figures such as Richard I and King John, providing invaluable insights into their characters, decisions, and the forces that shaped medieval rule. More than a simple annal, Chronicon Anglicanum conveys the texture of medieval life and governance, making it a rich source for scholars and readers fascinated by English history, monastic authorship, and the shaping of the medieval world.
Available at Amazon in eBook and Paperback format.
In 1324 [his mother] Eleanor Fitzpiers [aged 74] died.
Before 1325 [his son] Reginald Mohun [aged 19] and [his daughter-in-law] Elizabeth Fitzwilliam [aged 11] were married. They were half second cousin once removed.
On 25th August 1330 [his son] John Mohun [aged 30] was killed at Boroughbridge [Map]. He was buried at Dunster, Somerset.
On 31st August 1330 John Mohun 1st Baron Dunster [aged 61] died. His grandson John [aged 10] succeeded 2nd Baron Mohun of Dunster. Given his young age he became a ward of the King who sold his wardship and marriage to Bishop Henry Burghesh [aged 38] who then married him to his niece Joan Burghesh Baroness Dunster [aged 11], daugher of his brother Bartholomew "The Elder" Burghesh 1st Baron Burghesh [aged 43].
[his daughter] Margaret Mohun was born to John Mohun 1st Baron Dunster and Ada Tiptoft Baroness Dunster. She married her fifth cousin once removed John Carew and had issue.
[his daughter] Eleanor Mohun was born to John Mohun 1st Baron Dunster and Ada Tiptoft Baroness Dunster.
[his daughter] Joan Mohun was born to John Mohun 1st Baron Dunster and Ada Tiptoft Baroness Dunster.
[his son] Payn Mohun was born to John Mohun 1st Baron Dunster and Ada Tiptoft Baroness Dunster.
[his son] Robert Mohun was born to John Mohun 1st Baron Dunster and Ada Tiptoft Baroness Dunster.
[his daughter] William Mohun was born to John Mohun 1st Baron Dunster and Ada Tiptoft Baroness Dunster.
Kings Wessex: Great x 14 Grand Son of King Alfred "The Great" of Wessex
Kings Gwynedd: Great x 10 Grand Son of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Kings Seisyllwg: Great x 12 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 10 Grand Son of Maredudd ab Owain King Deheubarth King Powys King Gwynedd
Kings England: Great x 6 Grand Son of King Henry I "Beauclerc" England
Kings Franks: Great x 16 Grand Son of Charles "Charlemagne aka Great" King of the Franks King Lombardy Holy Roman Emperor
Kings France: Great x 9 Grand Son of Hugh I King of the Franks
Kings Duke Aquitaine: Great x 13 Grand Son of Ranulf I Duke Aquitaine
Great x 4 Grandfather: William Mohun 
Great x 3 Grandfather: William Mohun
Great x 2 Grandfather: Reginald Mohun
Great x 1 Grandfather: Reginald Mohun
Great x 2 Grandmother: Alice Brewer
GrandFather: John Mohun
Great x 2 Grandfather: Geoffrey Fitzpeter 1st Earl Essex
Great x 1 Grandmother: Hawise Fitzpeter
Great x 4 Grandfather: Richard de Clare 
Great x 3 Grandfather: Roger Clare 2nd Earl Hertford
Great x 4 Grandmother: Alice Gernon
Great x 2 Grandmother: Aveline Clare Countess Essex
Great x 3 Grandmother: Maud St Hilary Countess Hertford
Father: John Mohun 5 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Robert Ferrers 2nd Earl of Derby 
Great x 3 Grandfather: William Ferrers 3rd Earl of Derby
Great x 4 Grandmother: Margaret Peverell Countess Derby
Great x 2 Grandfather: William Ferrers 4th Earl of Derby
Great x 4 Grandfather: William de Braose 3rd Baron Bramber 
Great x 3 Grandmother: Sybil de Braose Countess Derby
Great x 4 Grandmother: Bertha Gloucester Baroness Bramber
Great x 1 Grandfather: William Ferrers 5th Earl of Derby 3 x Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandfather: Ranulf Gernon 4th Earl Chester
Great x 3 Grandfather: Hugh de Kevelioc Gernon 5th Earl Chester Great Grand Son of King Henry I "Beauclerc" England
Great x 4 Grandmother: Matilda Fitzrobert Countess Chester Grand Daughter of King Henry I "Beauclerc" England
Great x 2 Grandmother: Agnes Gernon Countess Derby 2 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: Simon "Chauve" Montfort 4th Count Évreux
Great x 3 Grandmother: Bertrade Montfort Countess Chester
Great x 4 Grandmother: Mathilde Unknown Countess Évreux
GrandMother: Joan Ferrers 4 x Great Grand Daughter of King Henry I "Beauclerc" England
Great x 4 Grandfather: Gilbert Giffard 
Great x 3 Grandfather: John Fitzgilbert
Great x 2 Grandfather: William Marshal 1st Earl Pembroke
Great x 4 Grandfather: Walter of Salisbury 2nd Baron Chitterne
Great x 3 Grandmother: Sybil of Salisbury
Great x 4 Grandmother: Sybilla Chaworth Baroness Chitterne 
Great x 1 Grandmother: Sibyl Marshal
Great x 4 Grandfather: Gilbert de Clare 1st Earl Pembroke
Great x 3 Grandfather: Richard "Strongbow" Clare 2nd Earl Pembroke
Great x 4 Grandmother: Isabel Beaumont Countess Pembroke 
Great x 2 Grandmother: Isabel Clare Countess Pembroke
Great x 4 Grandfather: Diarmait Macmurrough
Great x 3 Grandmother: Aoife ni Diarmait Macmurrough Countess Pembroke and Buckingham
John Mohun 1st Baron Dunster 6 x Great Grand Son of King Henry I "Beauclerc" England
Great x 2 Grandfather: Herbert Fitzherbert 
Great x 1 Grandfather: Piers Fitzherbert
GrandFather: Reginald Fitzpiers
Mother: Eleanor Fitzpiers