Felipe de Bélgica
Fulco VIII, Prince Ruffo di Calabria, 6th Duke of Guardia Lombarda (12 August 1884 – 23 August 1946) was an Italian World War I flying ace and senator of the Kingdom from 1934 until his death. He was also posthumous father-in-law of King Albert II of the Belgians, and grandfather of King Philippe of Belgium.