Children |
| 1. William de Percy, Lord de Percy, b. Abt 1088, Alnwick, Northumberland, England , d. 1135 (Age ~ 47 years) |
| 2. Walter de Percy, Lord, b. Abt 1090, of Rugemond |
| 3. Alan de Percy, (le Meschin), b. Abt 1092, of Whitby, Yorkshire, England |
| 4. Henry de Percy, b. Abt 1094, Alnwick, Northumberland, England |
| 5. Richard de Percy, b. Abt 1096, Alnwick, Northumberland, England |
| 6. Geoffry de Percy, b. Abt 1098 |
| 7. William de Percy, 3rd Baron Percy, b. Abt 1100, Alnwick, Northumberland, England , d. Abt 1175 (Age ~ 75 years) |
| 8. Robert Percy, b. Abt 1100 |
| 9. Gosfad de Percy, Abbot, b. Abt 1102 |
| 10. Alan de Percy, (the Bastard), d. 1158 |
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