| Count Eustace III of Boulogne & Mary of Scotland | |
| Husband | Wife |
| Count Eustace III of Boulogne | Mary of Scotland |
|
b: about 1058 d: 1125 |
b: about 1085 d: 31 May 1116 |
| Parents | |
| Count Eustace II of Boulogne (~1030 - ~1080) | King Malcolm III "Ceanmor (Longneck)" of Scotland (~1033 - 1093) |
| Ida de Lorraine (~1035 - 1113) | Queen Margaret of Scotland (~1042/1045 - 1093) |
| Grand Parents | |
| Eustace I of Boulogne (~1004 - 1049) | King Duncan I of Scotland (~1013 - 1040) |
| Maud of Louvain (~1005 - ) | Sibyl Fitzsiward (~1014 - 1040) |
| Duke Godfrey IV de Lorraine (~1010 - 1069) | Prince Edward "Atheling" of England (1016 - 1057) |
| Ida (Dada) (~1110 - ) | Princess Agatha Von Brunswick of England (~1018 - 1024) |
| Children (Family Detail) | |
| Matilda of Boulogne | - b: about 1110 |