Waltheof of Northumbria, Earl of Northumbria, was born 1050 to Siward of Northumbria (-1055) and Ælfflæd of Bernicia (bef1050) and died 31 May 1076 Winchester, England of Execution. He married Judith de Lens (c1054-aft1086) 1070 JL .
|Offspring of Judith de Lens and Waltheof of Northumbria (1050-1076)|
|Maud of Northumbria (1074-1130)||1074||1130||Simon I of St Liz (?-1109) Simon I of St Liz (?-1109) David I, King of Scotland (c1083-1153)|
|Adelise of Northumbria (c1075-aft1126)||1075||1126||Raoul IV de Tosny (1079-1125)|
|Uchtred of Tynedale (?-?)|