Hugh de Courtenay, 9th Earl of Devon, was born 14 September 1276 to Hugh Courtenay (1249-1290) and Eleanor le Despenser (-1328) and died 23 December 1340 of unspecified causes. He married Agnes St. John (c1278-1345) 1292 JL .
Children
| Name | Birth | Death | Joined with |
| Hugh Courtenay, 10th Earl of Devon (1303-1377) | 12 July 1303 Devon, England | 2 May 1377 Devon, England | Margaret de Bohun (1311-1391) |
| John Courtneay (c1305-c1349) | |||
| Eleanor Courtenay (c1309-c1330) | |||
| Robert Courtenay (c1309-c1334) | |||
| Thomas Courtenay (c1311-c1356) | |||
| Elizabeth Courtenay (c1313-) | |||
| Baldwin de Courtenay (Abt 1313-?) | |||
Footnotes (including sources)
| ‡ General |