Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: 1148-1150.
This date range is given by Mason (ODNB) and by the Complete Peerage (9:269). Ian Mortimer argues that Hugh (II) below is the same person as Hugh (I) and actually died in 1185.
Relationships
Father: Ralph (I) de Mortimer.
This relationship is given by Mason (ODNB), by Keats-Rohan (p. 601), and by the Complete Peerage (9:268).
Mother: uncertain.
It is not clear whether Ralph’s first wife, Millicent, or his second wife, Mabel, was the mother of Hugh.
Spouse: unknown.
Children:
(Mason in the Oxford Dictionary of National Biography notes that the foundation narratives of Wigmore Abbey have erroneously made Hugh (II) the son of Ralph (I). Ian Mortimer argues that this is not an error, and that the two Hughs were the same person.).
Roger de Mortimer.
Hugh (II) de Mortimer married Matilda, daughter of William le Meschin of Egremont.
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).
Keats-Rohan, Katharine S. B. Domesday Descendants: A Prosopography of Persons Occurring in English Documents 1106 - 1166. (Woodbridge: 2002).
Mason, J.F.A. “Mortimer, Hugh (II) de (d. 1181?)” in the Oxford Dictionary of National Biography (Oxford University Press, 2004).
Mortimer, Ian. "The Medieval Mortimer Family: An outline lineage". Accessed 17 August 2019.
Phillips, Chris. “Some corrections and additions to the Complete Peerage.”