John De Burgh
- Yes, date unknown
Generation: 1
Generation: 3
Generation: 4
1. John De Burgh (son of William (2nd Earl of Cornwall) Count of Mortain); and died. Family/Spouse: Unknown. [Group Sheet] [Family Chart]
Children:- William De Burgh died in 1205.
- Hubert (1st Earl of Kent) De Burgh died on 12 May 1243.
2. William (2nd Earl of Cornwall) Count of Mortain was born before 1084 (son of Robert (Count of Mortain) De Burgo and Matilda De Montgomerie); and died. Children:
- 1. John De Burgh and died.
Generation: 3
4. Robert (Count of Mortain) De Burgo was born about 1031 (son of Harlevin ( Herluin) Viscount De Conteville and Herleva Or Harlette (Arlette) Fulbert); died on 8 Dec 1090. Robert + Matilda De Montgomerie. Matilda (daughter of Roger (1st Earl of Shrewsbury) De Montgomery and Mabel Talvas) and died. [Group Sheet] [Family Chart]
5. Matilda De Montgomerie (daughter of Roger (1st Earl of Shrewsbury) De Montgomery and Mabel Talvas); and died. Children:
- Agnes of Mortain and died.
- 2. William (2nd Earl of Cornwall) Count of Mortain was born before 1084; and died.
- Emma of Mortain and died.
Generation: 4
8. Harlevin ( Herluin) Viscount De Conteville (son of John (Earl of Comyn) of Tonsburgh); and died. Harlevin married Herleva Or Harlette (Arlette) Fulbert about 1033. Herleva (daughter of Tanner\Furrier Fulbert and Duxia) was born about 1012; died about 1050. [Group Sheet] [Family Chart]
9. Herleva Or Harlette (Arlette) Fulbert was born about 1012 (daughter of Tanner\Furrier Fulbert and Duxia); died about 1050. Children:
- 4. Robert (Count of Mortain) De Burgo was born about 1031; died on 8 Dec 1090.
- Eudo ( Bishop?) De Conteville was born between 1031 and 1035; died in 1096 in Crusade At Siege Of Antioch.
- Adelaide De Conteville and died.
- Muriel De Conteville and died.
- Isabella De Conteville and died.
- Emma De Conteville and died.
- John "Monoculus" De Burgh and died.
10. Roger (1st Earl of Shrewsbury) De Montgomery (son of Roger The Great De Montgomery and Josceline of Pont-Audemer); died on 27 Jul 1094. Roger + Mabel Talvas. Mabel (daughter of William (Lord of Belleme & Alencon) Talvas and Hildeburg De Beaumont) died on 2 Dec 1079 in Troarn, Murdered By Hugh Bunel. [Group Sheet] [Family Chart]
11. Mabel Talvas (daughter of William (Lord of Belleme & Alencon) Talvas and Hildeburg De Beaumont); died on 2 Dec 1079 in Troarn, Murdered By Hugh Bunel. Children:
- Sibyl De Montgomery and died.
- Roger De Montgomery and died.
- Hugh (2nd Earl of Shrewsbury) De Montgomery was born about 1056; and died.
- Philip Grammaticus De Montgomery and died.
- Emma (Abbess of Almeneches) De Montgomery and died.
- Maud De Montgomery and died.
- Mabel De Montgomery and died.
- 5. Matilda De Montgomerie and died.
- Arnulf Lord of Pembroke 'Cimbricde De Montgomery was born about 1090; died about 1160.
- Roger "Poitevin" De Montgomery was born in 1058; died in 1123.
- Robert (3rd Earl of Shrewsbury) De Belleme was born about 1054; died after 8 May 1131 in Wareham Castle.