Aletta Johanna van Heemskerck 7 Jan 1691 's-Gravenhage - 13 Sep 1748 's-Gravenhage (1691–1748) Parents Cornelia Pauw Coenraad van Heemskerck Children Maria Catharina van Schuylenburch Cornelia Hillegonda van Schuylenburch Siblings Jan Henry van Heemskerck