Johann Peters Rüstmann, son of Johann Heien Rüstmann and Trienke Claassen , was born on 23 January, 1841, in Folstenhausen, Stedesdorf, Ostfriesland, and died on 1 April, 1879, in West Dunum, Dunum, Ostfriesland, at age 38.

Johann Peters married Amke Harms Hagen , daughter of John Heyen Hagen and Jantjen Harms Brandenburg , on 29 October, 1863, in Nord Dunum, Dunum, Ostfriesland. Amke was born on 19 October, 1837, in Deich-und Siel-Rott, Nesse, Ostfriesland, died on 28 October, 1927, in Russell, Minnesota, at age 90, and was buried on 30 October, 1927, in George, Iowa. They had eight children: Johann Haien, Harm Haien, Trinke Margaretha, Frerich Classen, Trienke Margaretha, Jantje Margaretha, Dorothea Elisabeth , and Ehe Catherina .

Johann Haien Rüstmann was born on 8 February, 1864, in West Dunum, Dunum, Ostfriesland.

Harm Haien Rüstmann was born on 14 February, 1866, in West Dunum, Dunum, Ostfriesland.

Harm Haien married Tjide Baumann on 16 March, 1888, in St. Petri Church, Flanagan, Illinois. They had four children: John Peter, Antje Emilie, Lammert Friedrichs , and Matte .

Trinke Margaretha Rüstmann was born on 10 February, 1868, in West Dunum, Dunum, Ostfriesland, and died on 20 April, 1868, in West Dunum, Dunum, Ostfriesland.

Frerich Classen Rustmann was born on 10 February, 1869, in West Dunum, Dunum, Ostfriesland.

Frerich Classen married Matje (Martha) Kruse in 1900, in George, Iowa. Matje was born in March, 1879, in Germany. They had 11 children: Alfred, Alma, Anna, Bertha, Lester, Marceile, Mary, Matthew, John, Albert , and Harvey .

Trienke Margaretha Rustmann was born on 25 February, 1871, in West Dunum, Dunum, Ostfriesland.

Jantje Margaretha Rustmann was born on 17 May, 1873, in West Dunum, Dunum, Ostfriesland.

Dorothea Elisabeth Rüstmann was born on 27 October, 1875, in West Dunen, Dunum, Ostfriesland, died on 19 March, 1960, in Minonk, Illinois, at age 84, and was buried on 22 March, 1960, in Minonk Township Cemetery, Minonk, Illinois.

Dorothea Elisabeth married Frederick J. Tucker on 9 February, 1898. Frederick was born on 1 May, 1864, in Georgeham, North Devon, England, died on 5 June, 1944, in Minonk, Illinois, at age 80, and was buried on 8 June, 1944, in Minonk Township Cemetery, Minonk, Illinois. They had one child: John A. .

Ehe Catharina Rüstmann was born on 5 April, 1871, in West Dunen, Dunum, Ostfriesland, died on 21 May, 1943, in Wenona Haven, Wenona, Illinois, at age 72, and was buried on 24 May, 1943, in Minonk Township Cemetery, Minonk, Illinois.

Ehe Catharena married August Siemers on 11 March, 1888, in German Evangelical St. Pauls Church, Minonk, Illinois. August was born on 29 August, 1862, in Tonica, Illinois, died on 7 February, 1922, in the Streator Hospital, Streator, Illinois, at age 59, and was buried on 10 February, 1922, in Minonk Township Cemetery, Minonk, Illinois. They had six children: Johann Heinrich, August Alfred, Dorothea Annette Maria, Adalia Esther, Edwin Lester , and Hilda Edith .