Nielsen Hayden genealogy
Ancestors of Marmaduke de Thweng
- 1284 ┌── Robert de Thweng (Bef 1145 of Thwing, Bridlington, Yorkshire, England - Bef 1199) =>
┌── Marmaduke de Thweng (Bef 1178 - Abt 1230)
│ └── Emma Darel (of Lund, Beverley, Yorkshire, England - Aft 1203) =>
│
┌── Robert de Thweng (of Thwing, Bridlington, Yorkshire, England - Between 1245 and 1257)(m. Bef Jan 1229)
Marmaduke de Thweng (of Kilton in Brotton, Yorkshire, England - Between 1282 and 1284)
│
│ ┌── Roger de Kilton
└── Maud de Kilton (of Kilton Castle, Cleveland, Yorkshire, England - ??)(m. Bef Jan 1229)