Geoffrey VI Mantell Plantagenet, Count of Nantes
1134 - 1157 (23 years)
Generation: 1
1. Geoffrey VI Mantell Plantagenet, Count of Nantes was born on 3 Jun 1134 in Rouen, Seine Maritime, France; died on 27 Jul 1157 in Nantes, Loire Atlantique, France; was buried in Nantes, Loire Atlantique, France.