Baron William of Montacute
Baron William of was born in 1188.  He died at the age of 30 in 1218.

 Lady Isabel of Montacute
Lady Isabel of was born in 1190.  She died at the age of 63 in 1253.

 Lord William of Montacute
Lord William of was born in 1210.  He died at the age of 37 in 1247.