Nielsen Hayden genealogy
Ancestors of Cecily de Vivonne
Abt 1257 - 1320 (~ 63 years) ┌── Hugh de Vivonne (of Chewton, Somerset, England - Bef 16 Oct 1249)(m. Bef 6 Jul 1219)
┌── William de Forz (of Chewton, Somerset, England - Bef 22 May 1259)(m. Abt 30 Jul 1248)
│ │ ┌── William II Malet (Bef 1174 of Curry Mallet, Langport, Somerset, England - Abt 1216) =>
│ └── Mabel Malet ( - Bef 16 Oct 1249)(m. Bef 6 Jul 1219)
│
Cecily de Vivonne (Abt 1257 Chewton, Somerset, England - 10 Jan 1320 Stoke-under-Hamden, Somerset, England)
│
│ ┌── William de Ferrers ( - 22 Sep 1247)(m. 1192) =>
│ ┌── William de Ferrers (Abt 1193 of Tutbury, Burton-on-Trent, Staffordshire, England -
│ │ 24 Mar 1254 Evington, Leicestershire, England)(m. Bef 14 May 1219)
│ │ 24 Mar 1254 Evington, Leicestershire, England)(m. Bef 14 May 1219)
│ │ └── Agnes of Chester ( - 2 Nov 1247)(m. 1192) =>
│ │
└── Maud de Ferrers (Abt 1230 - 12 Mar 1299)(m. Abt 30 Jul 1248)
│
│ ┌── William Marshal (Abt 1146 - 14 May 1219 Caversham, Oxfordshire, England)
│ │ (m. Aug 1189 London, England) =>
└── Sybil Marshal (Abt 1204 - Bef 1238)(m. Bef 14 May 1219)
└── Isabel de Clare (1173 - 7 Mar 1220 bur.Tintern Abbey, Monmouthshire, Wales)
(m. Aug 1189 London, England) =>