He married Bernarda Esparza , the granddaughter of Miguel Jerónimo Esparza , alcalde of Cabildo of Buenos Aires .
From notary profession , Canaverys arrived at Buenos Aires around 1770 , and went on to marry Bernarda Esparza , the granddaughter of Miguel Jerónimo Esparza , at the time the alcalde of Cabildo of Buenos Aires .