Gesche Margaretha Rüstmann, daughter of Johann Heien Rüstmann and Trienke Claassen , was born on 25 January, 1842, in Folsenhausen, Stedesdorf, Ostfriesland.

Gesche Margaretha married Haie Rolfs Rosenboom on 30 October, 1870, in Nord Dunum, Dunum, Ostfriesland. Haie was born on 6 October, 1842, in Neugaude, Dunum, Ostfriesland. They had five children: Gretje Haien, Trientje Margaretha, Siemon Janssen, Johann Heien , and Christian Hinrichs .

Gretje Haien Rosenboom was born in 1871, in West Dunen, Dunum, Ostfriesland.

Trientje Margaretha Rosenboom was born in 1874, in West Dunen, Dunum, Ostfriesland.

Siemon Janssen Rosenboom was born on 14 September, 1876, in West Dunen, Dunum, Ostfriesland.

Johann Heien Rosenboom was born on 28 November, 1878, in West Dunen, Dunum, Ostfriesland.

Christian Hinrichs Rosenboom was born on 12 March, 1882, in West Dunen, Dunum, Ostfriesland.