Children |
| 1. BERTRAM, Isabel, b. Abt 1214, Mitford, Northumberland, England d. Aft 15 Jun 1281, Nocton, Lincolnshire, England (Age > 67 years) |
| 2. BERTRAM, Roger, b. 5 Dec 1224, Mitford, Northumberland, England d. 1272 (Age 47 years) |
| 3. BERTRAM, Agnes, b. Abt 1226, Mitford, Northumberland, England d. Yes, date unknown |
| 4. BERTRAM, Ida, b. Abt 1227, Mitford, Northumberland, England d. Aft 18 May 1315 (Age > 88 years) |
| 5. BERTRAM, Christian, b. Abt 1230, Mitford, Northumberland, England d. Yes, date unknown |
| 6. BERTRAM, Ada, b. Abt 1232, Mitford, Northumberland, England d. Yes, date unknown |
| 7. BERTRAM, Robert, b. 31 Mar 1307, Bothal, Northumberland, England d. 20 Nov 1363 (Age 56 years) |
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