He founded the House of Bourbon - Parma , a cadet line of the Spanish branch of the dynasty .
Philip of Spain ( 15 March 1720 -- 18 July 1765 ) was Infante of Spain by birth , and Duke of Parma from 1748 to 1765 .
Philip founded the Parma         , a cadet line of the Spain branch of the dynasty .
Philip of Spain ( 15 March 1720 -- 18 July 1765 ) was Infante of Spain by birth , and Duke of Parma from 1748 to 1765 .