1025 - 1074 (49 years)
| Alain IV LE ZOUCHE, Count of Brittany Bef 1133-1190 |
| Alain IV LE ZOUCHE, Count of Brittany | |
| B: | Bef 1133 |
| Rohan, Morbihan, Brittany (Bretagne), France | |
| D: | 1190 |
 | Adeline DE BELMEIS, Sole Heiress of the House of Belmais 1150-Yes, date unknown |
| Adeline DE BELMEIS, Sole Heiress of the House of Belmais | |
| B: | 1150 |
| Tong, Shropshire, England | |
| D: | Yes, date unknown |
| Geoffrey DE PORHOET, Viscount of Porhoet in Brittanny Bef 1093-Yes, date unknown |
| Geoffrey DE PORHOET, Viscount of Porhoet in Brittanny | |
| B: | Bef 1093 |
| D: | Yes, date unknown |
| Lady Constance DE BRETAGNE Bef 1120-Yes, date unknown |
| Lady Constance DE BRETAGNE | |
| B: | Bef 1120 |
| D: | Yes, date unknown |
| Odo I DE PORHOET, Viscount of Porhoet in Brittany | |
| B: | 1049 |
| D: | 1092 |
| Ann DE LEON 1065-Yes, date unknown |
| Ann DE LEON | |
| B: | 1065 |
| D: | Yes, date unknown |
|
| Josselin DE PORHOET 1025-1074 |
| Josselin DE PORHOET | |
| B: | 1025 |
| D: | 1074 |
