Gauthier IV De Mayenne

Gauthier IV was born about 1065.¹   Gauthier IV's father was Geoffroy De Mayenne and his mother was Mahaut D'Alluyes.  His maternal grandfather was Gauthier D'Alluyes. He had a brother named Juhel.  He was the older of the two children. He had a half-brother and a half-sister, named Guillaume II and Hilderburge.  He died in 1124.¹