| Father | Male James Byron |
| Born | Abt 1299 | Clayton, Yorkshire, England |
| Died | Bef 1350 | |
| Buried | ||
| Married | Abt 1326 | Of, Clayton, York, England |
| Father | Richard Byron | F16953 Group Sheet | |
| Mother | Agnes | F16953 Group Sheet | |
| Mother | Female Elisabeth Barnake |
| Born | Abt 1301 | Clayton, Yorkshire, England |
| Died | ||
| Buried | ||
| Father | William Barnake, Sir | F16954 Group Sheet | |
| Mother | ||
| Child 1 | Male Sir John Byron |
| Born | Abt 1327 | Clayton, Yorkshire, England |
| Died | ||
| Buried | ||
| Spouse | Mary Booth | F16951 | |
| Married | ||
| Child 2 | Male + Richard Byron, [Sir] |
| Born | 1328 | Of, Clayton, England |
| Died | 19 Jun 1397 | |
| Buried | ||
| Spouse | Joan De Colewick | F16950 | |
| Married | Abt 1374 | |