Nielsen Hayden genealogy
Descendants of Lambert II of Boulogne
- 1054Father: Eustace I (Abt 995 - Abt 1049)
Mother: Mathilde of Louvain (Abt 993 - ??)
Lambert II of Boulogne ( - 1054 Phalempin, Nord, France)
Alice of Normandy (Abt 1030 - Bef 1090)(m. 1054)
   └─ Judith of Lens (Abt 1054 - Aft 1086)
    Waltheof (1027 of Potton, Bedfordshire, England - 31 May 1076 Winchester, Hampshire, England)(m. Aft Jan 1070)
       ├─ Alice of Northumberland ( - Aft 1126)
       │ Ralph de Tony (Abt 1081 - 1126 bur.Châtillon-les-Conches Abbey, Eure, Normandy, France)(m. 1103)
       │    └─ Roger de Tony (Abt 1104 of Flamstead, Hertfordshire, England - Aft 29 Sep 1158) =>
       │     + Ida de Hainaut (m. Abt 9 Aug 1138)
       └─ Maud of Northumberland (Abt 1072 - Between 1130 and 1131 bur.Scone, Perthshire, Scotland)
        Simon I de Senlis ( - Between 1111 and 1113)(m. Bef 1091)
        :   ├─ St. Waltheof ( - 3 Aug 1159)
        :   │ + Robert fitz Richard (of Dunmow, Essex, England -
        :   │ : Aft 28 Nov 1137 bur.St. Neot's Priory, Cambridgeshire, England)(m. 1112)
        :   │ : Aft 28 Nov 1137 bur.St. Neot's Priory, Cambridgeshire, England)(m. 1112)
        :   │ + Saher I de Quincy (of Long Buckby, Northamptonshire, England - Between 1156 and 1158)(m. Aft 1136)
        :   └─ Simon II de Senlis (Abt 1103 - Aug 1153 bur.St. Andrew's, Fife, Scotland) =>
        :    + Isabel of Leicester ( - Aft 1190)(m. Bef 1138)
        David I, King of Scotland (Abt 1080 - 24 May 1153 Carlisle, Cumberland, England)(m. Bef Jul 1113)
           └─ Henry of Scotland (Abt 1114 - 12 Jun 1152 bur.Kelso Abbey, Roxburghshire, Scotland) =>
            + Ada de Warenne ( - 1178)(m. Aft 9 Apr 1139)