|Portuguese-speaking people often use two surnames: the
first is the mother's family name, the second the father's, sometimes
joined by y (and).
It is never incorrect to give both, but often
one is dropped. Usage varies within families; follow the individual's
preference if this can be learned. If not, follow these general
Senhor José Almeida Rebouças His wife: Senhora Rebouças
Senhor Rebouças (not Senhor Almeida)