Hoel II- Count of Nantes, Count of Rennes, and eventually Duke of Brittany
1082–1084 Hoel I (in opposition to Geoffrey II from 1066), also Duke from 1066
Hoel II, Duke of Brittany | Sigurd Hoel | Judicael ap Hoel | Hoel II | Gudmund Hoel |
1074- It is possible that Ralph defended Dol when the Conqueror besieged it unsuccessfully in 1074, although it is more likely that Ralph was in Dol during the revolts against Hoel II, Duke of Brittany and that William came to Dol in defense of Hoel.
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In 1076, having plotted against Hoel II, Duke of Brittany, he was besieged at Dol, and the Conqueror came to Hoel's aid; but Ralph finally made his peace.