Guy III De Laval Seigneur

Guy III's father was Hamon De Laval Seigneur and his mother is Hersinde ().  His paternal grandfather was Guy II De Laval Seigneur and his paternal grandmother is Bertha De Champagne.  He was an only child.  He died in 1095.  He was buried in 1095.

‌Guy III and Denise were married in a religious ceremony in 1059.  They had a son named Guy IV.