House of Bourbon by which time public opinion had come to accept the republic as the "form of government that divides us least." His death without issue marked the extinction of the French Bourbons. Thus the head of the House of Bourbon became Juan, Count of Montizón of the Spanish line of the house who was also Carlist claimant to the throne of Spain, and had become the senior male of the dynasty by primogeniture. His heir as eldest Bourbon and head of the house is today Louis Alphonse, Duke of Anjou. By an ordinance of Louis Philippe I of France of 13
House of Bourbon at least from the beginning of the 13th century, when the estate of Bourbon was ruled by the Sire de Bourbon who was a vassal of the King of France. The term House of Bourbon ("Maison de Bourbon") is sometimes used to refer to this and the House of Bourbon-Dampierre, the second family to rule the seigneury. In 1272, Robert, Count of Clermont, sixth and youngest son of King Louis IX of France, married Beatrix of Bourbon, heiress to the lordship of Bourbon and member of the House of Bourbon-Dampierre. Their son Louis was made Duke of Bourbon in 1327.