Ida Bertha Marquardt's father was Ernst Marquardt b. 18 Oct 1831 in Germany, d. 1890; mother was Wilhelmina Sell b. 29 Sep 1845 in Germany, d. 1911. Ernst Rudolph Reetz's father was Ludwig Reetz b. 03 Oct 1826 in Germany, d. 02 Oct 1895; mother was Henriette Ott b. 1840 in Germany, d. 1897. Ernst Rudolph had a sister Emilia Reetz married to Frederick Hermann Garbe. Reetz and Marquardt were married 10 Nov 1899 either in Lincoln or Fall Creek. Wilhelmina had a sister, Emilie Ottilie Sell married to August Ernst Messerschmidt.