His first name is also spelled "Ruggiero" in many sources. His birth certificate lists his full name as "Ruggiero Giacomo Maria Giuseppe Emmanuele Raffaele Domenico Vincenzo Francesco Donato Leoncavallo". See Dryden (2007) p. 4. However, his tombstone spells his first name as "Ruggero". See Fondazione Ruggero LeoncavalloLưu trữ 2018-05-14 tại Wayback Machine.
His first name is also spelled "Ruggiero" in many sources. His birth certificate lists his full name as "Ruggiero Giacomo Maria Giuseppe Emmanuele Raffaele Domenico Vincenzo Francesco Donato Leoncavallo". See Dryden (2007) p. 4. However, his tombstone spells his first name as "Ruggero". See Fondazione Ruggero LeoncavalloLưu trữ 2018-05-14 tại Wayback Machine.
