Frerich Classen Rustmann, son of Johann Peters Rüstmann and Amke Harms Hagen , 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 .

Alfred Rustmann .

Alma Rustmann .

Anna Rustmann .

Bertha Rustmann .

Lester Rustmann .

Marceile Rustmann .

Mary Rustmann .

Matthew Rustmann .

John Rustmann was born on 25 August, 1900, in George, Iowa and died in April, 1980, at age 79.

Albert Rustmann was born on 1 April, 1902, in George, Iowa and died in February, 1976, at age 73.

Harvey Rustmann was born on 18 December, 1903, in George, Iowa and died on 3 July, 1990, at age 86.

Harvey married Pearl Sharratt . Pearl was born on 25 April, 1906, and died on 13 November, 1992, at age 86. They had seven children: Harvey, Millie, Marvin Howard, Donna, Melvin, Dennis , and Robert .