Roger II Bertram
Roger II was born about 1194 in Mitford, Northumberland, England.  He died in 1242.

 Agnes
Agnes was born about 1191 in Mitford, Northumberland, England.  She died after 1253.

 Isabel Bertram
Isabel was born about 1214 in of Mitford, Northumberland, England.  She died on June 15th, 1281.