sentences:  Born into an aristocratic family in Bogotá, his father was the Conservative party leader Luis Martinez and his mother Mercedes Delgado Mallarino.It was a difficult childhood due to his father's expulsion from Colombia as a result of an indictment for his involvement in an earlier Coup d'état.Martinez began studying art by age 11 under the instruction of Colombian Master Roberto Pizano and following Andrés de Santa Maria at the Bogotá Fine Arts Academy.