 Betje van Dam - van VelsenBorn 12-11-1887 Rotterdam, Netherland. Daughter of Mozes Levi van Dam - van der Sluis and Matje van Velsen - Swaab Married to:  Isaac Joseph Velleman - van der SluijsBorn 27-3-1886 Rotterdam, Netherland, died 5-11-1916 Portugal, 29 or 30 years. Occupation: Pianist. Son of Salomon Velleman - Frenk and Lea van der Sluijs - Snoek | |