John De Bellew
John was born in 1210.  John is no longer alive.

 Laderina De Brus
Laderina was born in 1222.  She died at the age of 79 in 1301.

 Isabel De Bellew
Isabel was born in 1240.  She died at the age of 74 on June 24th, 1314.

 Sibyl (Bella Aqua) De Bellew
Sibyl, known as Bella Aqua, was born in 1243.  She died at the age of 58 in 1301.