Johann Herman Osterloh (H29) was born 14 Sep 1797 in Ahlhorn, Großenkneten, Niedersachsen, Germany to Johann Hinrich and Anna Catharina (Spanhake) Osterloh. He was baptized on 20 Sep 1797 in Großenkneten, Niedersachsen, Germany. He was confirmed 26 Apr 1812 in Großenkneten, Niedersachsen, Germany.
Johann married Anna Marie Meyer on 1 Apr 1823 in Hatten, Niedersachsen, Germany. Anna was born 9 Nov 1799 in Westrittrum, Großenkneten, Niedersachsen, Germany to Johann Hinrich and Anna Helena (Wördemann) Meyer. She was baptized 17 Nov 1799 in Huntlosen, Großenkneten, Niedersachsen, Germany.
Johann and Anna had the following children:
- Catharina Osterloh - born 4 Aug 1823 in Hatten, Niedersachsen, Germany. She was baptized 24 Aug 1823 in Hatten, Niedersachsen, Germany. She died before 1927 in Germany.
- Anna Osterloh (H2) - born 2 Feb 1825 in Hatten, Niedersachsen, Germany. She died at the age of 82 on either 2 Jun or 3 Jun 1907 in Hooper, Dodge, Nebraska.
- Catharina Margareta Osterloh (H30) - born 9 Aug 1827 in Hatten, Niedersachsen, Germany. She died at the age of 53 on 20 Jul 1881 in Hooper, Dodge, Nebraska.
- Helena Margareta Osterloh - born 1 Mar 1830 in Hatten, Niedersachsen, Germany. She died at the age of 30 in 1860 in Oldenburg, Niedersachsen, Germany.
- Heinrich "Henry" Osterloh (H31) - born 26 Jan 1833 in Hatten, Niedersachsen, Germany. He died at the age of 69 on 1 Feb 1902 in Hooper, Dodge, Nebraska.
- Johann "John" Osterloh - born 7 Aug 1836 in Hatten, Niedersachsen, Germany. He died at the age of 78 on 2 Jun 1915 in Hooper, Dodge, Nebraska.
- Gerhard Osterloh (H35) - born 30 Oct 1838 in Hatten, Niedersachsen, Germany. He died at the age of 56 on 9 Mar 1895 in Hooper, Dodge, Nebraska.
- (unnamed) Osterloh - buried 25 Feb 1843 in Kirchhatten, Hatten, Niedersachsen, Germany.
Anna died at the age of 67 on 9 May 1867 in Streek, Hatten, Niedersachsen, Germany. He was buried 15 May 1867 in Hatten, Niedersachsen, Germany.
Johann immigrated on the ship "Hermann" that sailed 11 Apr 1868 from Bremen, Germany and arrived 27 Apr 1868 at the port in New York City, New York. Several children came on the same ship: daughter Catharina; son Heinrich "Henry" with his wife Anna Margarete (Egbers) and their two daughters, Maria Gesine "Mary" and Catharine Margarete; son Gerhard with wife Gesina Margarete (Egbers) with son Johann Gerhard "John".
Johann died at the age of 83 on 25 Dec 1880 in Hooper, Dodge, Nebraska. He was buried in St. Pauls Lutheran Cemetery, Hooper, Dodge, Nebraska.