In late 1228, the potential Norman and Angevin rebels called upon Henry to invade and reclaim his inheritance, and Peter de Dreux, the Duke of Brittany, openly revolted and gave homage to Henry.
In late 1228, the potential Norman and Angevin rebels called upon Henry to invade and reclaim his inheritance. ODNB Henry's preparations for an invasion went slowly, but his position was strengthened when Peter de Dreux, the Duke of Brittany, openly revolted and gave homage to Henry.