Martin I DE VITRE DE RENNES

Martin I was born in 0930 in Normandy, France.  Martin I's father was Juheal Berenger DE RENNES and his mother was Gerberge DE BRETAGNE.  His paternal grandparents were Count Judicael II DE RENNES and DE RENNES. He had two brothers named Conan I "The Crooked" Of Brittany and Mien I.  He was the oldest of the three children.

He had a biological son named Rhiwallon Vicarias.