Worldwide, Sleiffer (Sleiffer ) is an extremely rare unknown gender first name. Much more frequently, Sleiffer is the last name as well as the forename.
Mr, Annemieke, Leonardo, Cristofo, Elisete, Jovilde, Maartje, Marildo, Helene, Eduard, Eliane, Jelmer, Christine, Arnold, Edgar, Naomi, Jorge, Aline, Santo, Henk, Dick, Dana, Piet, Paul, Gea, Maryze, and Christiane
) is an extremely rare unknown gender first name. Much more frequently, Sleiffer is the last name as well as the forename.