As the youngest son of a cadet branch of the royal dynasty, Louis could not expect a large patrimony, but was allotted the countship of Soissons from among the Bourbon estates inherited from his paternal great-grandmother, Marie de Luxembourg. He also obtained the countship of Dreux and the "seigneuries" of Châtel-Chinon, Noyers, Baugé, and Blandy. In 1601 Charles wed Anne de Montafié (1577–1644) who, although not of royal blood, brought to the Bourbon-Soissons her father's countship of Montafié in Piedmont, as well as her mother's "seigneuries" of Bonnétable and Lucé. Of their five children, three survived childhood: