He was High Sheriff of Warwickshire & Leicestershire for 1431-2, 1441-2 and 1450-1. He was Captain of Honfleur, Normandy during 1438.  He was Knight of the Shire of the county of Warwick in 1410, 1422, 1423, 1427, 1429, 1437, 1445 and 1450.
↑ Douglas Richardson, Magna Carta Ancestry, 2nd Edition, Vol. II, p. 36.
↑ Douglas Richardson, Royal Ancestry, Vol. II, p. 408.
↑ Douglas Richardson, Magna Carta Ancestry, 2nd Edition, Vol. II, p. 258.
↑ Douglas Richardson, Royal Ancestry, Vol. III, p. 109-110.
Richardson, Douglas. Royal Ancestry: A Study in Colonial and Medieval Families, 5 vols, ed. Kimball G. Everingham. Salt Lake City: the author, 2013. See also WikiTree's source page for ‘’Royal Ancestry’’. Vol 1, pp 258-261. BOOTH
Richardson, Douglas. Magna Carta Ancestry: A Study in Colonial and Medieval Families, 4 vols, ed. Kimball G. Everingham. 2nd edition. Salt Lake City: the author, 2011. See also WikiTree's source page for ‘’Magna Carta Ancestry.’’ Vol II, page 408, Ellen Montfort.
William (Montfort) de Montfort is also in a trail to FitzWalter from Gateway Ancestor Obadiah Bruen that requires further development by a project member. See the Magna Carta Trails on Obadiah Bruen's profile to view the profiles in this trail.
Needs Re-review: This profile needs re-review against the project's checklist to bring it up to current project standards. ~ Thiessen-117 16:38, 10 July 2020 (UTC)
See Base Camp for more information about identified Magna Carta trails and their status. See the project's glossary for project-specific terms, such as a "badged trail".
It may be possible to confirm family relationships with William by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: