Nielsen Hayden genealogy
Ancestors of William de Saint Omer
- Bef 1349 ┌── William de Saint Omer (of Brundale, Norfolk, England - ??)
┌── Thomas de Saint Omer (of Mulbarton, Norfolk, England - Between 1316 and 1319)
│ │ ┌── Ralph de Tony (Abt 1140 of Flamstead, Hertfordshire, England - 1162)
│ │ │ (m. Aft 1155) =>
│ │ ┌── Roger de Tony (of Flamstead, Hertfordshire, England - Jan 1209)(m. 1175)
│ │ │ └── Margaret of Leicester (Abt 1125 - Aft 1185)(m. Aft 1155) =>
│ │ │
│ │ ┌── Ralph VI de Tony (Abt 1189 of Flamstead, Hertfordshire, England - Abt 29 Sep 1239 At sea)
│ │ │ (m. Between 1232 and 1233)
│ │ │ │
│ │ │ │ ┌── Richard I de Beaumont (Between 1120 and 1130 - Aft 1194 bur.Abbaye d'Étival-en-
│ │ │ │ │ Charnie, Sarthe, Pays-de-la-Loire, France)(m. Bef 1177) =>
│ │ │ │ │ Charnie, Sarthe, Pays-de-la-Loire, France)(m. Bef 1177) =>
│ │ │ └── Constance de Beaumont ( - Aft 1226)(m. 1175)
│ │ │ └── Lucy de l'Aigle ( - Aft 1217)(m. Bef 1177) =>
│ │ │
│ └── Margaret de Tony
│ │
│ │ ┌── Hugh de Lacy (of Meath, Ireland - 25 Jul 1185)(m. Bef 1155) =>
│ │ ┌── Walter de Lacy (Abt 1172 - Bef 24 Feb 1240)(m. Bef 19 Nov 1200)
│ │ │ └── Rohese de Monmouth (Between 1135 and 1140 - Abt 1180)(m. Bef 1155) =>
│ │ │
│ └── Pernel de Lacy ( - Aft 25 Nov 1288)(m. Between 1232 and 1233)
│ │
│ │ ┌── William de Briouze (of Briouze, Normandy, France -
│ │ │ 9 Aug 1211 Corbeil, near Paris, France) =>
│ │ │ 9 Aug 1211 Corbeil, near Paris, France) =>
│ └── Margaret de Briouze (Abt 1181 - Aft 25 Jun 1245)(m. Bef 19 Nov 1200)
│ └── Maud de St. Valéry (Abt 1150 - 1210 Windsor, Berkshire, England) =>
│
William de Saint Omer (of Mulbarton, Norfolk, England - Bef 1349)
└── Alice ( - Aft 1331)