Conan IV, Duke of Brittany

Who was Conan IV, Duke of Brittany?

Conan IV of Penthièvre, called "the Young", was duke of Brittany, from 1156 to his death. He was the son of Alan the Black, 1st Earl of Richmond and Bertha of Brittany. Conan IV was his father's heir as 2nd Earl of Richmond and his mother's heir as Duke of Brittany. From his father’s side, Conan was great great grandson of duke Geoffrey I and great grandson of Odo of Brittany. Conan and his daughter Constance would be the only representatives of the Penthièvre dynasty of Brittany to hold the Duchy's crown.