Guy IX De Laval
Guy IX was born in 1262 in Laval, Mayenne, France.  He died in Laval, Mayenne, France.

 Béatrice De Gavere
Béatrice was born in 1270 in Gavere, Flandre, Orientale, Belgium.  She died at the age of 45 on July 4th, 1315 in Laval, Mayenne, France.

 André De Laval
André was born in 1286 in Laval, Mayenne, France.  He died at the age of 70 on May 13th, 1356 in Laval, Mayenne, France.

 Philippa De Laval
Philippa was born in 1288 in Laval, Mayenne, France.

 Guy X De Laval
Guy X was born in 1290 in Laval, Mayenne, France.  He died at the age of 57 on June 18th, 1347 in Laval, Mayenne, France.

 François De Laval
François was born in 1292 in Laval, Mayenne, France.