Ymkje Reinhart, born in Harlingen on December 11, 1880, daughter of Hendrikus Reinhart (warehouseman, workman and dock hand) and Johanna Brouwer.
Ymkje was married in Harlingen on May 26, 1904, at the age of 23 to
Klaas de Vries (aged 28 years), born in Franeker on December 15, 1875, son of Jelle de Vries and Sijke de Vries, pilot's apprentice.