See also

William MORTAGNE's parents: Robert de MORTAGNE (1031- ) and Maud Matilda de MONTGOMERY (c. 1040-1082)
William MORTAGNE's siblings: Agnes de MORTAGNE (c. 1055- ) and Emma of MORTAIN (c. 1058- )

Family of William de MORTAGNE and Isabel Deburgo de CUMBERLAND

Husband:	William de MORTAGNE (c. 1060- )
Wife:	Isabel Deburgo de CUMBERLAND ( - )
Children:	Grecia de CUMBERLAND (c. 1110- )

Husband: William de MORTAGNE

Name:	William de MORTAGNE
Sex:	Male
Father:	Robert de MORTAGNE (1031- )
Mother:	Maud Matilda de MONTGOMERY (c. 1040-1082)
Birth	c. 1060
Occupation		3rd Earl of Cornwall

Wife: Isabel Deburgo de CUMBERLAND

Name:	Isabel Deburgo de CUMBERLAND
Sex:	Female
Father:	-
Mother:	-

Child 1: Grecia de CUMBERLAND

Name:	Grecia de CUMBERLAND
Sex:	Female
Spouse:	Hubert de VAUX (c. 1105- )
Birth	c. 1110	Gilsland, Cumbria, England