Family: Eustace IV of Boulogne / Mistress of Eustace of Boulogne (F7453)
King Stephen of England (1097-1154) 
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Matilda of Boulogne, Queen of England (1103-1152)
|
William Count of Boulogne (1128-1159)  |
| Mary of Blois (1136-1182) |
| Eustace IV of Boulogne (1116-1153)
|
| Mistress of Eustace of Boulogne (1110- ) |
| Estachie de Champagne (1130- ) |
