Nielsen Hayden genealogy
Ancestors of Hawise de Montagu
- Abt 1322
┌── Richard de Montagu 
( - Between 1161 and 1166 bur.Bruton, Somerset, England) =>
( - Between 1161 and 1166 bur.Bruton, Somerset, England) => ┌── William de Montagu ( - Abt Jun 1217)
( - Abt Jun 1217) │ └── Alice
│
┌── Drew de Montagu ( - Bef 1217)(m. Bef 1213)
( - Bef 1217)(m. Bef 1213) │ └── Isabel ( - Aft Jun 1217)
( - Aft Jun 1217) │
┌── William de Montagu (Abt 1213 of Shepton Montague, Somerset, England - Bef 23 Sep 1270)
(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)
(Aft 1250 - 26 Sep 1316 bur.Bruton Priory, Somerset, England)(m. Aft 24 Oct 1270) │ └── Bertha ( - Aft 1259)
( - Aft 1259) │
Hawise de Montagu ( - Abt 1322)
│
│ ┌── (Unknown) de St. Amand
│ ┌── Amauri de St. Amand ( - Bef 13 Sep 1241)
( - Bef 13 Sep 1241) │ │
│ ┌── Ralph de St. Amand (Abt 1183 Bloxham, Oxfordshire, England - Bef 28 Jul 1245)
(Abt 1183 Bloxham, Oxfordshire, England - Bef 28 Jul 1245) │ │ │
│ │ │ ┌── Roger Pantolf (of Abkettleby, Leicestershire, England - ??)
(of Abkettleby, Leicestershire, England - ??) │ │ └── Iseult Pantolf ( - Aft 1267)
( - Aft 1267) │ │
│ ┌── Amauri de St. Amand (Abt 1213 of Cainhoe, Bedfordshire, England - Bef 13 Nov 1285)
(Abt 1213 of Cainhoe, Bedfordshire, England - Bef 13 Nov 1285) │ │ │
│ │ │ ┌── Robert d'Aubigny
│ │ │ ┌── Robert d'Aubigny (Abt 1153 of Cainhoe, Bedfordshire, England - 1216)
(Abt 1153 of Cainhoe, Bedfordshire, England - 1216) │ │ └── Asceline d'Aubigny (Abt 1183 - Aft Feb 1240)
(Abt 1183 - Aft Feb 1240) │ │ └── Joan ( - Aft May 1242)
( - Aft May 1242) │ │
└── Hawise de St. Amand ( - 1287)(m. Aft 24 Oct 1270)
( - 1287)(m. Aft 24 Oct 1270) └── Isabel