Alessandro married Her Serene Highness Helena Holbrook Walker in 1932 in Vrana,Italy. Helena (daughter of Franklin Hiram Walker and May Holbrook) was born on 17 Jan 1875 in Detroit, Wayne, Michigan, USA; died on 20 Jun 1959 in Como,Provincia di Como,Lombardia,Italy; was buried in Cimitero di Castello di Duino,Duino,Provincia di Trieste,Friuli-Venezia Giulia,Italy. [Group Sheet] [Family Chart]