 Giovanni Battista Casanova's brother was from where? 
Giovanni Battista Casanova:  He was a brother of Giacomo Casanova and Francesco Giuseppe Casanova and was born at Venice. Giacomo Casanova: Giacomo Girolamo Casanova (] or ] ; 2 April 1725 – 4 June 1798) was an Italian adventurer and author from the Republic of Venice.
i don't know