Sir Marmaduke de Thweng, Knt.

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ChartsAncestors of Harriet Hanson Robinson (#1)
Ancestors of Harriet Hanson Robinson (#2)
Ancestors of Wilford Ervie Billings
Sir Marmaduke de Thweng, Knt., son of Robert de Thweng and Maud, died between 1282 and 1284.1

Marmaduke married Lucy de Brus, daughter of Peter de Brus and Hawise de Lancaster, about 1242.2,3


Lucy de Brus d. aft. 1282


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families, Five vols. (Salt Lake City, Utah: s.p., 2013), 5:156 (Thweng 8), further cited as Richardson, Royal Ancestry.
  2. [S1947] Richardson, Royal Ancestry, 5:155 (Thweng 7).
  3. [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:738, further cited as CP.
  4. [S1947] Richardson, Royal Ancestry, 5:155 (Thweng 7.ii).
This person was last edited on25 Sep 2016