Riccardo Sykes died in 1918.
Riccardo Malipiero died in 2003.
Riccardo Sarfatti died in 2010.
Alan Sykes died in 1950.
Hugh Sykes Davies died in 1984.
Peter Sykes - chemist - died in 2003.
Riccardo Martin died in 1952.
Riccardo Sarfatti died in 2010.
Riccardo Campogiani died in 2007.
Riccardo Morandi died in 1989.
Riccardo Barthelemy died in 1937.
Riccardo Francovich died in 2007.
Riccardo Caracciolo died in 1395.
Riccardo Malipiero died in 2003.
Riccardo Stracciari died in 1955.
Riccardo Antoniazzi died in 1912.
Riccardo Fedel died in 1944.
Riccardo Brengola died in 2004.