Johannes married Rosa Koch on 3 Apr 1934. Rosa (daughter of Christian Sebastian Koch and Wilhelmina Geiger) was born on 3 Oct 1912 in North Dakota, USA; died on 30 Oct 2003 in Center, Oliver County, North Dakota, USA; was buried in Saint Martin's Cemetery, Oliver County, North Dakota, USA. [Group Sheet] [Family Chart]

1. Katherine Bobb
2. Kathleen Bobb
3. Elizabeth Bobb
4. Margaret Bobb
5. Clement Bobb
6. Diane Bobb
7. John Bobb