Johannes married Margaretha Wolff on 18 Oct 1855 in Odessa, Ukrayina. Margaretha was born on 28 Feb 1835 in Bergdorf, Odessa, Ukrayina. [Group Sheet] [Family Chart]

1. Christian Ahl was born on 11 Jul 1874 in Bergdorf, Odessa, Ukrayina; died on 11 Feb 1935 in Bismarck, Burleigh County, North Dakota, USA; was buried on 15 Feb 1935 in Saint John's Cemetery, Hebron, Morton County, North Dakota, USA.