Children |
| 1. Thomas De Lumley, b. 31 May 1379, Chester-Le-Street, Durham, England d. 31 May 1400, Cirencester, Gloucestershire, England (Age 21 years) |
| 2. Sir John De Lumley, b. 2 Feb 1383, Durham, England d. 22 Mar 1421, Anjou, Isere, Rhone-Alpes, France (Age 38 years) |
| 3. William De Lumley, b. 1385, Lumley Castle, Lumley, Durham, England d. 31 May 1400, Cirencester, Gloucestershire, England (Age 15 years) |
| 4. George De Lumley, b. Abt 1385, Lumley, Durham, England d. Yes, date unknown |
| 5. Marmaduke De Lumley, b. 1386, Lumley, Durham, England d. 18 Dec 1451, England, Unitd Kingdom (Age 65 years) |
| 6. Elizabeth Lumley, b. 1390, Lumley, Durham, England d. 9 Dec 1462, Bisham, Berkshire, England (Age 72 years) |
| 7. Lady Katherine De Lumley, b. 1392, Arundel, Sussex, England d. 2 Jun 1461, Christchurch, Dorsetshire, England (Age 69 years) |
| 8. Margaret De Lumley, b. Abt 1393, Of Lumley, Durham, England d. Yes, date unknown |
| 9. Matilda De Lumley, b. Abt 1394, Northumberland County, England d. Yes, date unknown |
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