Nielsen Hayden genealogy
Descendants of Isabel de Senlis
- Aft 1210Father: Simon II de Senlis (Abt 1103 - Aug 1153 bur.St. Andrew's, Fife, Scotland)
Mother: Isabel of Leicester ( - Aft 1190)
Isabel de Senlis ( - Aft 1210)
William Mauduit (Between 1130 and 1135 of Hanslope, Buckinghamshire, England -
2 Oct 1194 bur.Waverley Abbey, Surrey, England)
2 Oct 1194 bur.Waverley Abbey, Surrey, England)
   └─ Robert Mauduit (Abt 1172 of Hanslope, Buckinghamshire, England - Bef 19 Jun 1222)
    Isabel Basset (of Thurleigh, Bedfordshire, England - Between 24 Oct 1225 and 11 Dec 1225)(m. Bef 1194)
       └─ William Mauduit (Bef 1194 of Hartley Mauduit, Hampshire, England - Bef 14 Feb 1257)
        Alice de Beaumont (Abt 1197 of Warwick, Warwickshire, England - Between 1246 and 1263)(m. Bef 3 Mar 1216)
           ├─ William Mauduit ( - Bef 23 Jan 1268)
           └─ Isabel Mauduit ( - Bef 1267 bur.Cokehill Nunnery, Worcestershire, England) =>
            + William de Beauchamp (1215 of Elmley Castle, Worcestershire, England -
            Between 7 Jan 1268 and 21 Apr 1268)
            Between 7 Jan 1268 and 21 Apr 1268)