Katherine de Stafford was born circa 1376 to Hugh de Stafford, 2nd Earl of Stafford (1336-1386) and Philippa de Beauchamp (bef1344-1386) and died 8 April 1419 of unspecified causes. She married Michael de la Pole, 2nd Earl of Suffolk (1367-1415) 13 April 1383 JL .
Children
| Name | Birth | Death | Joined with |
| Michael de la Pole, 3rd Earl of Suffolk (1394-1415) | 1394 | 25 October 1415 Azincourt, France | Elizabeth de Mowbray (c1399-aft1423) |
| William de la Pole, 1st Duke of Suffolk (1396-1450) | |||
| Alexander de la Pole (?-1429) | |||
| Sir John de la Pole (?-1429) | |||
| Thomas de la Pole (?-1433) | |||
| Katherine de la Pole (?-?) | |||
| Isabel de la Pole (?-1466) | 8 February 1466 | Thomas Morley, 5th Baron Morley (1393-1435) | |
| Elizabeth de la Pole (?-?) | |||
Footnotes (including sources)
| ‡ General |