| Father | Male John Byron, [Sir Knight] |
| Born | 1386 | Of, Clayton, Yorkshire, England |
| Died | Abt 1464 | |
| Buried | ||
| Married | 1441 | Of, Clayton, Lancashire, England |
| Father | Richard Byron, [Sir] | F16950 Group Sheet | |
| Mother | Joan De Colewick | F16950 Group Sheet | |
| Mother | Female Margery Booth |
| Born | Abt 1379 | Of, Barton, Cheshire, England |
| Died | ||
| Buried | ||
| Father | John Booth | F16948 Group Sheet | |
| Mother | Joanna "Joan" Trafford | F16948 Group Sheet | |
| Child 2 | Male Richard Byron |
| Born | Abt 1403 | Of, Clayton, Lancaster, England |
| Died | ||
| Buried | ||
| Spouse | Lucy Ashton | F16931 | |
| Married | ||
| Child 3 | Male Nicholas Byron, [Sir Knight] |
| Born | Abt 1405 | Of, Clayton, Lancashire, England |
| Died | ||
| Buried | ||
| Spouse | Alice Boteler | F16932 | |
| Married | Abt 1431 | Of Beausey, Lancashire |
| Child 5 | Female Elizabeth Byron |
| Born | Abt 1409 | Of, Clayton, Lancaster, England |
| Died | ||
| Buried | ||
| Spouse | Thomas Ashton | F16933 | |
| Married | ||
| Child 6 | Female Margaret Byron |
| Born | Abt 1411 | Of, Clayton, Lancaster, England |
| Died | 1520 | |
| Buried | ||
| Spouse | Maurice Berkeley | F16934 | |
| Married | ||
| Spouse | William Atherton | F16935 | |
| Married | ||
| Child 7 | Female Jane Byron |
| Born | Abt 1413 | Of, Clayton, Lancaster, England |
| Died | ||
| Buried | ||
| Spouse | William Radcliffe | F16936 | |
| Married | ||
| Child 8 | Female + Ellen Byron |
| Born | Abt 1415 | Of, Clayton, Lancaster, England |
| Died | Bef 1467 | |
| Buried | Grey Friars, London, Middlesex, England |
|
| Spouse | Walter Blount, [Baron] | F16575 | |
| Married | Abt 1439 | Of, Barton Blount, Derbyshire, England |
| Child 9 | Female Catherine Byron |
| Born | Abt 1417 | Of, Clayton, Lancaster, England |
| Died | ||
| Buried | ||
| Spouse | William Brereton | F16938 | |
| Married | ||