Who was the grandfather of the seventh King of the Belgians?
Fulco Ruffo di Calabria:  He was also posthumous father-in-law of King Albert II of the Belgians, and grandfather of King Philippe of Belgium. Philippe of Belgium: Philippe (] , French: "Philippe Léopold Louis Marie" , Dutch: "Filip Leopold Lodewijk Maria" , German: "Philipp Leopold Ludwig Maria" ; born 15 April 1960) is the seventh King of the Belgians, having ascended the throne on 21 July 2013, following his father's abdication.
i don't know