Nielsen Hayden genealogy
Descendants of Margaret
- Bef 1185
Margaret
( - Bef 1185)
Walter de Clifford (Abt 1108 of Clifford, Herefordshire, England - 1190)
   ├─ Lucy de Clifford (of Clifford, Herefordshire, England - ??)
   │ Hugh de Say (of Richard's Castle, Herefordshire, England - Bef 29 Sep 1190)
   │    └─ Hugh de Say (of Richard's Castle, Herefordshire, England - Between 1195 and 1196)
   │     Mabel Marmion ( - Aft 1199)
   │        └─ Margaret de Say (of Richard's Castle, Herefordshire, England - Bef 29 Sep 1242) =>
   │         + William de Stuteville (of Brantingham, Yorkshire, England - 1259)
   │         + Robert de Mortimer (of Richard's Castle, Herefordshire, England - Bef 3 Jul 1219)(m. Bef Jun 1211)
   ├─ Rosamund Clifford (Bef 1150 - Abt 1176)
   └─ Walter II de Clifford (Abt 1150 Clifford's Castle, Herefordshire, England - Bef Mar 1208)
    Agnes de Condet (m. Abt 1185)
       ├─ Roger de Clifford (of Tenbury, Worcestershire, England -
       │ Bef 28 Aug 1231 bur.Dore Abbey, Herefordshire, England)
       │ Bef 28 Aug 1231 bur.Dore Abbey, Herefordshire, England)
       │ Sibyl de Ewyas ( - 1236 Ewyas, Herefordshire, England)(m. Bef 13 Feb 1217)
       │    └─ Roger de Clifford (Abt 1221 of Tenbury, Worcestershire, England -
       │     Bef 3 Apr 1286 bur.Dore Abbey, Herefordshire, England) =>
       │     Bef 3 Apr 1286 bur.Dore Abbey, Herefordshire, England) =>
       │     + Maud ( - Bef 1273)(m. Bef 1242)
       └─ Walter III de Clifford ( - Bef 23 Jan 1221)
       
           └─ Walter IV de Clifford (of Clifford, Herefordshire, England - Bef 23 Dec 1263) =>
            + Margaret ferch Llywelyn ( - 1265)(m. Bef 2 Nov 1234)