John I of Dreux
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John I of Dreux (1215–1249), Count of Dreux and Braine, was the son of Robert III of Dreux and Aénor of Saint-Valéry.
Knighted by King Louis IX of France, he accompanied the king on several campaigns, firstly in Poitou in 1242, where he fought at the Battle of Taillebourg. In 1249 he joined the king on the Seventh Crusade to Egypt, but died at Nicosia in the Kingdom of Cyprus before arriving.
In 1240 he married Marie (1220–1274), daughter of Archambaud VIII of Bourbon. They had three children, the eldest of whom, Robert IV (1241–1282), succeeded his father.
| Preceded by Robert III |
Count of Dreux 1234–1249 |
Succeeded by Robert IV |
