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.

Parents

• Gottfried Christoph Arndt1841–1909
• Friederike Binnemann1852–1916

Siblings

• Anna Louise Arndt1878–
• Albert August Arndt1882–
• Emma Arndt
• Wilhelm Arndt

Half Siblings

• Gottfried Wilhelm Arndt1875–1947

He had two daughters.

• Charlotte Elisabeth Margarete Arndt1907–
• Gerda Irmgard Paula Arndt1921–2000

He died on April 17, 1950, at the age of 63.