| Father | Sir Thomas BROWNE Knight, High Sheriff of Kent, Chancellor of the Exchequer, Treasurer of the Household King Henry VI, Master of the List (1402 - 1460) |
| Mother | Lady Eleanor FITZALAN DEARUNDEL (1414 - 1469) |
| Sibling | Lady Katherine BROWNE (1435 - 1525) |
| Sibling | John BROWNE (1435 - ) |
| Sibling | Sir George BROWNE MP (1439 - 1483) |
| Sibling | Jane BROWNE (1445 - ) |
| Sibling | Sir John Browne LORD MAYOR OF LONDON, VISCOUNTS MONTAGUE (1440 - 1499) |
| Sibling | Sir Robert BROWNE Knight (1434 - 1464) |
| Sibling | William BROWNE (1441 - ) |
| Sibling | Sir Anthony BROWNE I Standard Bearer of England (1443 - 1508) |
| Sibling | Edward BROWNE (1451 - ) |
| Sibling | Thomas BROWN Jr. (1437 - 1508) |