Hello Alejandra,nbsp;nbsp; nbsp; Callau is a last name of origin catalan and whose members mostly are from barcelona. Also " Callau " is a contraction that few want to pronounce the full word "silent" or people with poor diction.Example: Manolito is has been callau when you have asked where was on the map.nbsp;Best regards
It is a catalan surname, which has also been extended by America.tambien is perfectly alistana phonetics of silent, passive participle of silence which means be quiet, not to mention.