1. Eustace de Burgo was born circa 1005 in Tonsburgh, Normandy. He married circa 1021 in Moray, Scotland.
Eustace de Burgo had the following children:
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2. Robert de Comyn, Earl of Northumberland, son of Eustace de Burgo, died on [Julian] 28 January 1069 in Durham.
Robert came to England with William the Conqueror. It is understood that he/his family originally came from Comines in Flanders. He was slain whilst attempting to take possession of Northumberland.
Robert de Comyn, Earl of Northumberland had the following children:
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3. John de Comyn, son of Robert de Comyn, Earl of Northumberland, died after 1135. He married unk DE GIFFARD.
unk DE GIFFARD was the daughter of Adam Giffard of Fonthill ( - ). She and John de Comyn had the following children:
| 4 | William de Comyn of Fonthill ( -bef1140). William was born. He died before 1140. |