Roger II BERTRAM
Roger II was born in 1187 in Mitford Castle, Morpeth, Northumberland, England.  He died at the age of 55 in May 1242.

 Agnes UNKNOWN
Agnes was born in 1194.  She died after May 7th, 1256.

 Isabel BERTRAM
Isabel was born about 1216 in Mitford, Northumberland, England.  She died in Nocton, Lincolnshire, England.