1. William has few details recorded about him.
William had the following children:
| +2 | |
| +3 |
2. Idonea, daughter of William, married Geoffrey de SAY.
Geoffrey de SAY, son of William de SAY ( -1295) and Mary UNK ( - ), died in 1322. He and Idonea had the following children:
| +4 |
3. Thomas, son of William, had the title 'Lord Leybourne'.
4. Geoffrey de SAY, son of Geoffrey de SAY and Idonea, died in 1359. He married Maud de BEAUCHAMP.
"Only son. Sum to Parl from 1326 to 1350. Admiral of the Fleet. Banneret? 1336".
Maud de BEAUCHAMP was the daughter of Guy de BEAUCHAMP ( - ). She and Geoffrey de SAY had the following children:
| 5 | Joan de SAY ( - ). Joan married William FIENES on 12 November 1351 in Sawbridgeworth, Herts.. |