When Otto August Arndt was born on April 2, 1887, in Welbsleben, Saxony-Anhalt, Germany, his father, Gottfried Christoph Arndt , was 45 .
He went by the name of Gottfried. His mother was Friederike Binnemann and she was 35. He was married to Elisabeth Adolfine Friederike Henning between 1907 and 1921.
He had two daughters.
He died on April 17, 1950, at the age of 63.