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 democracy; the Spanish Constitution of 1978 recognized the monarchy. Since 1964 the Bourbon-Parma line has reigned agnatically in Luxembourg through Grand Dukes Jean and his son Henri. In June 2011, Luxembourg adopted absolute primogeniture, replacing the old Semi-Salic law that might have guaranteed the survival of Bourbon rule for generations. Though it is not as powerful as it once was and no longer reigns in its native country of France, the House of Bourbon is by no means extinct and has survived to the present-day world, predominantly composed of republics. The House of Bourbon, in its surviving branches, is believed