Pierre I de Courtenay, Lord of Conches-en-Ouche, Lord of Mehun-sur-Yèvre, was born circa 1218 to Robert de Courtenay (c1168-1239) and Mahaut de Mehun (1195-1240) and died circa 1250 Egypt of unspecified causes. He married Pétronille de Joigny (1230-1282) .
Children
| Name | Birth | Death | Joined with |
| Amicie de Courtenay (1250-1275) | 1250 | 1275 | Robert II d'Artois (1250-1302) |
Footnotes (including sources)
| ‡ General |
| ¶ Death |
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