His older brother , Giambattista , left home in 1712 and was never heard from again .
Gaetano Giuseppe Giacomo Casanova was born to Giacomo Casanova ( whose family had originally come to Italy from Aragon ) and his wife , Anna Roli .
Gaetano Giuseppe Giacomo Casanova 's older brother , Giambattista , left home in 1712 and was never heard from again .
Gaetano Giuseppe Giacomo Casanova was born to Giacomo Casanova ( whose family had originally come to Italy from Aragon ) and his wife , Anna Roli .