Thomas Ros married 12 April 1363, Beatrice Stafford (d. 13 April 1415), daughter of Ralph Stafford, 1st Earl of Stafford, by whom he had four sons and two daughters:[2]
Cokayne, George Edward (1949). The Complete Peerage, edited by Geoffrey H. White. Vol. XI. London: St. Catherine Press.
Richardson, Douglas (2011). Magna Carta Ancestry: A Study in Colonial and Medieval Families, ed. Kimball G. Everingham. Vol. I (2nd ed.). Salt Lake City.{{cite book}}: CS1 maint: location missing publisher (link)ISBN1449966373
Richardson, Douglas (2011). Magna Carta Ancestry: A Study in Colonial and Medieval Families, ed. Kimball G. Everingham. Vol. III (2nd ed.). Salt Lake City.{{cite book}}: CS1 maint: location missing publisher (link)ISBN144996639X