Nielsen Hayden genealogy
Ancestors of St. Waltheof
- 1159 ┌── Landri de Senlis (of Chantilly, Oise, Picardy, France - ??)
┌── Simon I de Senlis ( - Between 1111 and 1113)(m. Bef 1091)
│ └── Ermengarde
│
St. Waltheof ( - 3 Aug 1159)
│
│ ┌── Siward (of Denmark - 1055 York, Yorkshire, England)
│ ┌── Waltheof (1027 of Potton, Bedfordshire, England - 31 May 1076 Winchester, Hampshire, England)
│ │ (m. Aft Jan 1070)
│ │ └── Ælfled of Bernicia =>
│ │
└── Maud of Northumberland (Abt 1072 - Between 1130 and 1131 bur.Scone, Perthshire, Scotland)(m. Bef 1091)
│
│ ┌── Lambert II of Boulogne ( - 1054 Phalempin, Nord, France)(m. 1054) =>
└── Judith of Lens (Abt 1054 - Aft 1086)(m. Aft Jan 1070)
└── Alice of Normandy (Abt 1030 - Bef 1090)(m. 1054) =>