His maternal grandfather was Alberto de Acha, an executive at rum producer Bacardi & Co.
His father was Santiago's youngest mayor and also served in the Cuban House of Representatives.
Arnaz was born in Santiago de Cuba, Cuba, to Desiderio Alberto Arnaz y de Alberni II (Ma– May 31, 1973) and Dolores 'Lolita' de Acha y de Socias (Ap– October 24, 1988).
