Cecilia de Thweng
|Charts||Ancestors of Harriet Hanson Robinson|
Cecilia de Thweng, daughter of Marmaduke de Thweng, married William Constable, son of Robert Constable and Ela d'Oyry, about 1227.1,2
|This person was last edited on||19 May 2016|
- [S2051] J. W. Clay, editor, Dugdale's Visitation of Yorkshire, with additions, 3 vols. (Exeter, England: William Pollard & Co., 1899-1917), 2:302, further cited as Clay, Dugdale's Visitation of Yorkshire.
- [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), 12A:737n, further cited as CP.