On 24 Jul 1800 [his father] (age 32) and [his mother] Mary Bermingham were married. He the son of (age 67) and Elizabeth Skeffington Countess Leitrim -1817.
On 27 Jul 1804 [his grandfather] (age 71) died. His son [his father] (age 36) succeeded 2nd Earl Leitrim.
In 1839 William Clements 3rd Earl Leitrim (age 32) was elected MP County Leitrim.
On 05 Feb 1840 [his mother] Mary Bermingham died.
On 31 Dec 1854 [his father] (age 86) died. His son William Clements 3rd Earl Leitrim (age 48) succeeded 3rd Earl Leitrim.
On 02 Apr 1878 William Clements 3rd Earl Leitrim (age 71) was assassinated along with his clerk and driver, near Cratlagh Wood while on his way to Milford (a village he owned in its entirety) from his home, Manor Vaughan (usually known as Mulroy House), on Mulroy Bay. Michael Heraghty and brothers Thomas and Bernard McGranahan were arrested. The gun butt had been traced to Heraghty, and paper for the wadding used to load the rifle was traced to a school copybook owned by the McGranahans. The McGranahans were released from Lifford Jail due to a lack of evidence. Heraghty died in Lifford Jail of typhus... The assassins, Nial Shiels of Doughmore, an itinerant tailor, Michael Hergarty of Tullyconnell, and Michael McElwee of Ballyworiskey, were from the remote Fanad Peninsula.
Kings Wessex: Great x 23 Grand Son of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 20 Grand Son of Owain "Great" King Gwynedd
Kings Seisyllwg: Great x 26 Grand Son of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 21 Grand Son of Maredudd ap Bleddyn King Powys
Kings England: Great x 14 Grand Son of King Edward III of England
Kings Scotland: Great x 19 Grand Son of King William I of Scotland
Kings Franks: Great x 20 Grand Son of Louis VII King Franks
Kings France: Great x 16 Grand Son of Philip IV King France
Great x 2 Grandfather: Robert Clements
Great x 1 Grandfather: Nathaniel Clements
Great x 1 Grandmother: Hannah Gore
Father: 13 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: John Skeffington 2nd Viscount Massereene
Great x 3 Grandfather: Clotworthy Skeffington 3rd Viscount Massereene
Great x 4 Grandmother: Mary Clotworthy
Great x 2 Grandfather: Clotworthy Skeffington 4th Viscount Massereene 17 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandfather: Edward Hungerford 15 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandmother: Rachel Hungerford Viscountess Massereene 16 x Great Grand Daughter of King John "Lackland" of England
Great x 4 Grandmother: Jane Hele
Great x 1 Grandfather: Clotworthy Skeffington 1st Earl Massereene 11 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Arthur Chichester 2nd Earl Donegal -1678 8 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Arthur Chichester 3rd Earl Donegal 1666-1706 9 x Great Grand Son of King Edward III of England
Great x 2 Grandmother: Catherine Chichester Visountess Massereene 10 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Arthur Forbes 1st Earl Granard
Great x 3 Grandmother: Catherine Forbes
GrandMother: Elizabeth Skeffington Countess Leitrim -1817 12 x Great Grand Daughter of King Edward III of England
14 x Great Grand Son of King Edward III of England
GrandFather: William Bermingham of Rose Hill
Mother: Mary Bermingham