Jean I de Croÿ, Seigneur de Croÿ et d'Araines, Baron de Renty et de Seneghem (around 1365 - Agincourt on October 25, 1415) was the founder of the House of Croÿ . His parents were Guillaume, seigneur de Croÿ (+1384) and Isabeau de Renty. Jean I de Croÿ was responsible for the ascendancy of his family to a position of supreme power in medieval Burgundy. He served Philip the Bold and his son John the Fearless in the capacity of councillor and chamberlain. In 1384 he married a wealthy heiress,...