William de Ros was the son of William de Ros and Lucy FitzPeter. His birth date is uncertain, but he married in 1268 and his wife was a widow when he married her, so he may have been born about 1245.
He fought in Scotland in 1257/8 and Gascony in 1294, and was summoned to fight in Scotland again in 1296.
Marriage and Children
William married Eustache FitzRalph, widow of Nichose de Cantelou in 1268. Henry III had promised Eustache to Alan de Plugenet, and William was ordered to pay reasonable amends and a fine of 200 marks. William and Eustache had at least two sons and five daughters:
William died before 28 May 1310 and was buried at Grey Friars, York.
↑ 1.001.011.021.031.041.051.061.071.081.091.10 Douglas Richardson. Magna Carta Ancestry: A Study in Colonial and Medieval Families, 4 vols, ed. Kimball G. Everingham, 2nd edition (Salt Lake City: the author, 2011), volume IV, pp. 191-192, THWENG 3
↑ G E Cokayne. Complete Peerage, new edition, volume XI, St Catherine Press 1949, p. 118, footnote h
↑The registers of John Le Romeyn, Lord Archbishop of York, 1286-1296, and of Henry of Newark, Lord Archbishop of York, 1296-1299, Part II, Surtees Society, 1917, p. 261, entry 207, Internet Archive
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.
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.
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