William de Synytwayt
William de Synytwayt, whose ancestry is unknown (or not traced here), married, as her 2nd husband, Joan Roscelyn, daughter of Peter Roscelyn, before 24 June 1351.1
|Joan Roscelyn d. aft. 15 Oct 1354|
|This person was last edited on||28 Mar 2019|
- [S2054] George Edward Cokayne, The Complete Peerage: Or a History of the House of Lords and All Its Members From the Earliest Times: Revised and Much Enlarged (13 in 14 vols., London, England: The St. Catherine Press, 1910-1940), 12B:659 (Willoughby), further cited as CP.