Thomas III de Multon
Thomas III was born about 1225.  He died about April 29th, 1294.

 Isabel de Bolteby
Isabel was born before 1225.  She died before 1294.

 Matilda (Maud) de Lucy
Matilda (Maud) was born in 1239 in England.  She died at the age of 98 in 1337.

 Thomas IV de Multon
Thomas IV was born about 1239.  He died before July 24th, 1287.