Nielsen Hayden genealogy
Margary de Umfreville

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- 1 Margary de Umfreville [1] d. Bef 1198
William III d'Aubeney b. Aft 1146 d. 7 May 1236
- 2 William IV d'Aubeney [1.1]
d. 4 Sep 1242
Isabel d. Aft 1285
- 3 Isabel d'Aubeney [1.1.1]
b. Abt 1233 d. 15 Jun 1301
Robert de Ros d. 17 May 1285
- 4 Joan de Ros [1.1.1.1]
d. 13 Oct 1348 [ =>]
- 4 Isabel de Ros [1.1.1.2]
[ =>]
- 4 Mary de Ros [1.1.1.3]
d. Bef 23 May 1326 [ =>]
- 4 Robert de Roos [1.1.1.4]
d. Bef 3 Feb 1311 [ =>]
- 4 William III de Ros [1.1.1.5]
b. Abt 1255 d. Between 12 May 1316 and 16 Aug 1316 [ =>]
- 4 Joan de Ros [1.1.1.1]
- 3 Isabel d'Aubeney [1.1.1]
- 2 William IV d'Aubeney [1.1]