Legitimist

Full definition of legitimist

Noun

1. (historical) A French royalist who believes that the King of France and Navarre must be chosen according to the simple application of the Salic law.
• 2007, July 8, Christopher Caldwell, Even God Quotes Tocqueville, Nor does he beat around the bush: Tocqueville’s cousin and confidant Louis de Kergorlay is “a young idiot” and the legitimist insurrectionist the Duchesse de Berry “one of the silliest princesses in all European history.”
2. (by extension) Any proponent for the rule of a legitimate sovereign.