His grandparents were Mariano Canavery and Tiburcia Sosa Ravelo , both grandparents had dedicated to teaching , Mariano Canaverys was tutor in Escuela de la Piedad ( the primary school in the city ) .
His grandparents were Mariano Canavery and Tiburcia Sosa Ravelo . 
 Both grandparents had dedicated to teaching , Mariano Canaverys was tutor in Escuela de la Piedad ( the primary school in the city ) .