Children of Mecelin Braci and William De Canteloupe are:
| || i.||William De Canteloupe died 1251 in Ellesborough, Wycombe, Buckinghamshire. He married Millicent De Gournay ABT 1215 in Calne, Wiltshire, daughter of Hugh De Gournay and Juliana de Mello of Dammartin.
She was born ABT 1183 in Ashby, Bucks, and died 1260.
| || ii.||Nicholas Cantelou died AFT 1261. He married Eustace Fitzhugh, daughter of Ralph Fitzhugh.
She was born 1256, and died BEF 1310.
|2.|| iii.||John Cantelupe was born ABT 1189. He married Margaret Cummin, daughter of William Cumin.
| || iv.||Isabel Cantilupe was born ABT 1195. She married Stephen Devereux, son of Eustace Devereux and Longfield.
He was born ABT 1195 in Kington, Herefordshire.