Nielsen Hayden genealogy
Ancestors of Simon II de Senlis
Abt 1103 - 1153 (~ 50 years) ┌── Landri de Senlis (of Chantilly, Oise, Picardy, France - ??)
┌── Simon I de Senlis ( - Between 1111 and 1113)(m. Bef 1091)
│ └── Ermengarde
│
Simon II de Senlis (Abt 1103 - Aug 1153 bur.St. Andrew's, Fife, Scotland)
│
│ ┌── Siward (of Denmark - 1055 York, Yorkshire, England)
│ ┌── Waltheof (1027 of Potton, Bedfordshire, England - 31 May 1076 Winchester, Hampshire, England)
│ │ (m. Aft Jan 1070)
│ │ │
│ │ │ ┌── Ealdred of Bernicia (of Bamburgh, Northumberland, England - 1038)
│ │ │ │
│ │ └── Ælfled of Bernicia
│ │
└── Maud of Northumberland (Abt 1072 - Between 1130 and 1131 bur.Scone, Perthshire, Scotland)(m. Bef 1091)
│
│ ┌── Eustace I (Abt 995 - Abt 1049)
│ │ └── Adelvie de Gant
│ │
│ ┌── Lambert II of Boulogne ( - 1054 Phalempin, Nord, France)(m. 1054)
│ │ │
│ │ │ ┌── Lambert I "The Bearded" (Abt 950 - 12 Oct 1015)(m. Between 985 and 990) =>
│ │ └── Mathilde of Louvain (Abt 993 - ??)
│ │ └── Gerberga of Lorraine ( - Aft 1017)(m. Between 985 and 990) =>
│ │
└── Judith of Lens (Abt 1054 - Aft 1086)(m. Aft Jan 1070)
│
│ ┌── Richard II ( - 23 Aug 1026 Fécamp, Normandy, France)(m. Abt 1000) =>
│ ┌── Robert I (Abt 1004 - Between 1 Jul 1035 and 3 Jul 1035 Nicaea, Asia Minor)
│ │ └── Judith of Brittany (982 - 28 Jun 1017 bur.Bernay Abbey, Bernay, Normandy, France)
│ │ (m. Abt 1000) =>
│ │
└── Alice of Normandy (Abt 1030 - Bef 1090)(m. 1054)