 Betje Blaaser - van der SluisBorn 24-3-1855 Rotterdam, Netherland. Daughter of Aron Samuel Blazer - de Gelder and Kaatje Samuel van der Sluis Married to:  Michiel Slier - vander SluisBorn ± 1869 Brussels, Belgium. Son of Louis Slier - van Praagh and Marianne van der Sluis - Frank | |