Nielsen Hayden genealogy
Ancestors of William de Montagu
Abt 1285 - 1319 (~ 34 years) ┌── Drew de Montagu ( - Bef 1217)(m. Bef 1213) =>
┌── William de Montagu (Abt 1213 of Shepton Montague, Somerset, England - Bef 23 Sep 1270)
┌── Simon de Montagu (Aft 1250 - 26 Sep 1316 bur.Bruton Priory, Somerset, England)(m. Aft 24 Oct 1270)
│ └── Bertha ( - Aft 1259)
│
William de Montagu (Abt 1285 of Shepton Montague, Somerset, England - 18 Oct 1319 Gascony, France)
│
│ ┌── Ralph de St. Amand (Abt 1183 Bloxham, Oxfordshire, England - Bef 28 Jul 1245) =>
│ ┌── Amauri de St. Amand (Abt 1213 of Cainhoe, Bedfordshire, England - Bef 13 Nov 1285)
│ │ └── Asceline d'Aubigny (Abt 1183 - Aft Feb 1240) =>
│ │
└── Hawise de St. Amand ( - 1287)(m. Aft 24 Oct 1270)
└── Isabel