Half-brother of King Louis XIII
Captaincy – Master
Half-brother to King Louis XIII, César de Bourbon (b. 1594) is the son of Henri IV and his official mistress Gabrielle d’Estrées, legitimised in 1595. He is married to Françoise de Lorraine, duchesse de Mercoeur et de Penthièvre; they have three children.
Vendôme was a leader in the opposition to the Queen Mother during her regency, but he bears no surfeit of love for his half-sibling, the king.