Aton I Sens de Courtenay, Lord of Courtenay, Lord of Châteaurenard, was born circa 985 to Renaud de Courtenay (962-1007) and died 1039 of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Jocelin de Courtenay (1020-1079) | 1020 | 1079 | Hildegarde of Anjou (c1038-c1060) Elizabeth de Montlhery (c1040-) |
Footnotes (including sources)
| ‡ General |