Turchetil de Turqueville was born circa 975 in Normandy, France to Torf the Rich (c950-) and Ertemberga de Briquebec . He married Adeline de Montfort (c988-) .
Collins's peerage of England; genealogical, biographical, and historical, Volume 4 by Arthur Collins, Sir Egerton Brydges
The said Turchetil was Lord of Turqueville, Turqueray, etc, and joint guardian and governor, with his said elder brother, Touroude, to William Duke of Normandy, as before taken notice of; and at last basely murdered for his attachement to that price. He married Adeline de Montfort, sister of Toustain Lord of Montfort sur Risle; and by her had Anchetil, his heir; Walter de Turqueville; and Lesseline, the wife of William Earl of Eu, Exmes and Montreuil."
Children
| Name | Birth | Death | Joined with |
| Anchitil de Harcourt (c1005-) | 1005 Normandy, France | Eve de Boessey-le-Chapel (c1010-) | |
| Walter de Turqueville | |||
| Lesseline de Turqueville | |||
Siblings
| Name | Birth | Death | Joined with |
| Touroude, Sire de Pont-au-demer | |||
| Turchetil de Turqueville (c975-) | 975 Normandy, France | Adeline de Montfort (c988-) | |
| William de Torville | |||