Paternal Family Tree: Beresford
Maternal Family Tree: Catherine Power Countess Tyrone 1701-1769
On 18th July 1717 [his father] Marcus Beresford 1st Earl Tyrone (age 23) and [his mother] Catherine Power Countess Tyrone (age 15) were married. She the daughter of [his grandfather] James Power 3rd Earl Tyrone. They were second cousin once removed.
In 16th April 1743 Archbishop William Beresford 1st Baron Decies was born to Marcus Beresford 1st Earl Tyrone (age 48) and Catherine Power Countess Tyrone (age 41).
On 4th April 1763 [his father] Marcus Beresford 1st Earl Tyrone (age 68) died in Tyrone House, Dublin.
On 16th June 1763 Archbishop William Beresford 1st Baron Decies (age 20) and Elizabeth Fitzgibbon (age 27) were married. He the son of Marcus Beresford 1st Earl Tyrone and Catherine Power Countess Tyrone (age 61).
On 27th July 1769 [his mother] Catherine Power Countess Tyrone (age 67) died.
On 20th January 1774 [his son] John Horsley Beresford 2nd Baron Decies was born to Archbishop William Beresford 1st Baron Decies (age 30) and [his wife] Elizabeth Fitzgibbon (age 38).
On 21st May 1776 [his son] Reverend George de la Poer Beresford was born to Archbishop William Beresford 1st Baron Decies (age 33) and [his wife] Elizabeth Fitzgibbon (age 40).
In 1780 Archbishop William Beresford 1st Baron Decies (age 36) was appointed Bishop of Dromore.
On 20th November 1780 [his son] William Beresford was born to Archbishop William Beresford 1st Baron Decies (age 37) and [his wife] Elizabeth Fitzgibbon (age 44).
In 1782 Archbishop William Beresford 1st Baron Decies (age 38) was appointed Bishop of Ossory.
In 1794 Archbishop William Beresford 1st Baron Decies (age 50) was appointed Archbishop of Tuam.
On 12th June 1795 [his brother-in-law] John Fitzgibbon 1st Earl of de Clare (age 47) was created 1st Earl Clare.
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Before 28th July 1800 [his son] Reverend George de la Poer Beresford (age 24) and [his daughter-in-law] Susan Gorges (age 23) were married.
On 28th January 1802 [his brother-in-law] John Fitzgibbon 1st Earl of de Clare (age 54) died. His son John (age 9) succeeded 2nd Earl Clare.
On 19th July 1804 [his son] William Beresford (age 23) and [his daughter-in-law] Anna Bennett (age 29) were married. She the daughter of Charles Bennet 4th Earl Tankerville (age 60) and Emma Colebrooke Countess Tankerville (age 52).
In 1807 [his wife] Elizabeth Fitzgibbon (age 71) died.
On 26th July 1810 [his son] John Horsley Beresford 2nd Baron Decies (age 36) and [his daughter-in-law] Charlotte Philadelphia Horsley (age 36) were married.
On 22nd December 1812 Archbishop William Beresford 1st Baron Decies (age 69) was created 1st Baron Decies of Decies in Waterford.
On 6th September 1819 Archbishop William Beresford 1st Baron Decies (age 76) died. His son [his son] John (age 45) succeeded 2nd Baron Decies of Decies in Waterford.
[his daughter] Louisa Beresford Viscountess Beresford was born to Archbishop William Beresford 1st Baron Decies and Elizabeth Fitzgibbon.
Kings Wessex: Great x 21 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 19 Grand Son of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 23 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 20 Grand Son of Maredudd ap Bleddyn King Powys
Kings England: Great x 11 Grand Son of King Edward III of England
Kings Scotland: Great x 20 Grand Son of King Duncan I of Scotland
Kings Franks: Great x 17 Grand Son of Louis VII King Franks
Kings France: Great x 21 Grand Son of Robert "Pious" II King France
Kings Duke Aquitaine: Great x 25 Grand Son of Ranulf I Duke Aquitaine
Great x 4 Grandfather: Michael Beresford
Great x 3 Grandfather: Tristram Beresford
Great x 2 Grandfather: Tristram Beresford 1st Baronet
Great x 1 Grandfather: Randal Beresford 2nd Baronet
GrandFather: Tristram Beresford 3rd Baronet 9 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Robert Annesley
Great x 2 Grandfather: Francis Annesley 1st Viscount Valentia
Great x 1 Grandmother: Catherine Annesley Lady Beresford 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Thomas Stanhope 5 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: John Stanhope 6 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Margaret Port
Great x 2 Grandmother: Jane Stanhope Viscountess Valentia 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Thomas Trentham
Great x 3 Grandmother: Catherine Trentham
Great x 4 Grandmother: Jane Sneyd
Father: Marcus Beresford 1st Earl Tyrone 10 x Great Grand Son of King Edward III of England
Archbishop William Beresford 1st Baron Decies 11 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Richard Power 4th Baron Power 8 x Great Grand Son of King Edward I of England
Great x 3 Grandfather: John Power 9 x Great Grand Son of King Edward I of England
Great x 2 Grandfather: John Power 10 x Great Grand Son of King Edward I of England
Great x 4 Grandfather: David Barry 5th Viscount Buttevant 11 x Great Grand Son of King Edward I of England
Great x 3 Grandmother: Eleanor Barry Countess Ormonde and Ossory 12 x Great Grand Daughter of King Edward I of England
Great x 1 Grandfather: Richard Power 1st Earl Tyrone 11 x Great Grand Son of King Edward I of England
GrandFather: James Power 3rd Earl Tyrone 11 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Robert Annesley
Great x 3 Grandfather: Francis Annesley 1st Viscount Valentia
Great x 2 Grandfather: Arthur Annesley 1st Earl Annesley 9 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: John Philipps 1st Baronet
Great x 3 Grandmother: Dorothy Philipps 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Anne Elizabeth Perrot Lady Philips 7 x Great Grand Daughter of King Edward III of England
Great x 1 Grandmother: Dorothy Annesley Countess Tyrone 10 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: James Altham
Great x 3 Grandfather: James Altham of Oxhey
Great x 4 Grandmother: Margaret Skinner
Great x 2 Grandmother: Elizabeth Altham Countess Anglesey
Mother: Catherine Power Countess Tyrone 12 x Great Grand Daughter of King Edward III of England