Baron) de BERTRAM (Sir ROGER
Baron) de BERTRAM (Sir was born on December 5th, 1224 in Mitford Castle, Northumberlandshire, England.¹   He died about 1272.¹ 

 UNKNOWN IDA
UNKNOWN was born before 1252.¹   She died after May 18th, 1315.¹ 

 AGNES de BERTRAM