Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: 1172 or after.
The Complete Peerage (10:352) states that she was living in 1172.
Relationships
Father: Robert de Beaumont (died 1118), count of Meulan and first earl of Leicester.
This relationship is given by Crouch (ODNB) and the Complete Peerage (10:351).
Mother: Isabel de Vermandois (died 1147).
This relationship is given by Crouch (ODNB) and the Complete Peerage (10:351).
Spouse: Gilbert fitz Gilbert de Clare (died 1148).
This relationship is given by Crouch (ODNB), by Keats-Rohan (p. 235), and the Complete Peerage (10:351).
Lover: Henry I, king of England.
This relationship is given by Crouch (1986, p. 25).
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project.)
Richard fitz Gilbert de Clare (about 1130 - 1176) married Aífe, daughter of Diarmait Mac Murchada, king of Leinster about 26 August 1171 at Waterford.
Basilia married (1) Raymond fitz Gerald; married (2) Geoffrey fitz Robert.
Children (by Henry):
Isabel.
References
Cawley, Charles. “Isabelle de Beaumont” in Medieval Lands: A prosopography of medieval European noble and royal families.
Cokayne, George Edward, and Vicary Gibbs; et al. The complete peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, extant, extinct, or dormant [2nd ed.]. (London: St. Catherine Press, 1910-59).
Crouch, David. The Beaumont Twins: The Roots and Branches of Power in the Twelfth Century (Cambridge University Press, 1986).
Crouch, David. “Beaumont, Robert de, count of Meulan and first earl of Leicester (d. 1118) in the Oxford Dictionary of National Biography. (Oxford University Press, 2004).
Flanagan, M.T. “Clare, Richard fitz Gilbert de, second earl of Pembroke (c. 1130-1176)” in the Oxford Dictionary of National Biography. (Oxford University Press, 2004; online edn. Sept. 2010).
Keats-Rohan, Katharine S. B. Domesday Descendants: A Prosopography of Persons Occurring in English Documents 1106 - 1166. (Woodbridge: 2002).