Katherine Howard was born on an unknown date to John Howard, 1st Duke of Norfolk (c1420-1485) and Margaret Chedworth (c1424-) and died 17 March 1536 of unspecified causes. She married John Bourchier (1467-1533) 13 May 1490 JL .
Children
| Name | Birth | Death | Joined with |
| Thomas Bourchier (-bef1534) | |||
| Joan Bourchier (1490-1561) | 1493 Little Eaton, Essex, England | 17 February 1561 England | Edmund Knyvet (1493-1527) |
| Margaret Bourchier (-bef1534) | |||
| Mary Bourchier (-bef1534) | |||
Footnotes (including sources)
| ‡ General |
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