1. | Maartje Harmens de Jong was born about 1876 in Sloten, FR, NLD. Maartje married Jacob Martens Zwanenburg on 12 Feb 1905 in Gaasterland, FR, NLD. Jacob (son of Marten Siemens Zwanenburg and Mare Jakobs Duif) was born about 1878 in Balk, Gaasterland, FR, NLD. [Group Sheet] [Family Chart] |