Thibault De+ Laval
Thibault De+ was born about 1372.  He died before 1433.

 Jeanne De+ Mailly
Jeanne De+ was born about 1387.

 Thibault De+ Laval
Thibault De+ was born about 1415.  He died in 1461.

 Guy De Laval
Guy De was born about 1418.  He died on December 19th, 1484.

 Marie De+ Laval
Marie De+ was born about 1420.

 Rene De Laval
Rene De was born about 1424.  He died after April 15th, 1516.