Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: 1300 or 1301.
The date is given by Crump (ODNB).
Relationships
Father: William (V) de Briouze (died 1230).
This relationship is given by Crump (ODNB) and the Complete Peerage (9:280).
Mother: Eva Marshal.
This relationship is given by Crump (ODNB) and the Complete Peerage (9:280).
Spouse: Roger (III) de Mortimer (1231 - 1282). Married in 1247.
This relationship is given by Crump (ODNB) and the Complete Peerage (9:280).
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project.)
Ralph (III) de Mortimer.
Edmund (I) de Mortimer (died 17 July 1304) married Margaret Fiennes.
Roger (IV) Mortimer of Chirk (died 3 August 1326) married Lucy de Wafre.
Geoffrey de Mortimer.
William de Mortimer married Hawise de Muscegros.
Margaret married Robert de Vere, sixth earl of Oxford.
Isabel married (1) John (III) FitzAlan; married (2) Ralph d’Arderne; married (3) Robert de Hastang.
References
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).
Crump, J.J. “Mortimer, Roger (III) de, lord of Wigmore (1231-1282)” in the Oxford Dictionary of National Biography (Oxford University Press, 2004).
Rees, W. "The Medieval Lordship of Brecon", Transactions of the Honourable Society of Cymmordorion (1915-16), 165-225.