Judicaël of Nantes

Judicaël was the illegitimate son of Hoël I, Duke of Brittany.

He was brought up by his grandmother Judith and "Viscount" Haimon or Aymon, his father's maternal half-brother.

Hugh (Hugo), "character of wise and austere life" according to Albertus Magnus, who had been ruling de facto over the spiritual part of the Church of Nantes since 981, obtained in 990 the title of Bishop, whose duties he was already carrying out.

With the support of Fulk III, Count of Anjou, Judicaël regained the County of Nantes after the death of Conan I, Duke of Brittany at the second Battle of Conquereuil.

In 994, Judicaël was defeated by the new Count of Rennes, Geoffrey, and he had to do homage to him.