John married Luise Caroline Obenland 28 Sep 1889, Philadelphia, Philadelphia County, Pennsylvania, USA. Luise (daughter of Johann Jacob Obenland and Karoline Barbara Meixner) was born 30 Jan 1860, Neckarwestheim, Heilbronn, Baden-Württemberg, Germany; was christened 5 Feb 1860, Neckarwestheim, Heilbronn, Baden-Württemberg, Germany; died Aft 1 Apr 1940, USA. [Group Sheet]

1. Josephine Gallwitz was born Abt 1889, Pennsylvania, USA.
2. Frank Francis Gallwitz was born 16 Mar 1890, Philadelphia, Philadelphia County, Pennsylvania, USA; died 3 May 1945; was buried 8 May 1945, Beverly, Burlington County, New Jersey, USA.
3. Anton Albert Gallwitz was born 10 Oct 1904, Philadelphia, Philadelphia County, Pennsylvania, USA; died Apr 1977, USA.
4. Harry Gallwitz was born 2 Mar 1895, Philadelphia, Philadelphia County, Pennsylvania, USA; died Nov 1966, Philadelphia, Philadelphia County, Pennsylvania, USA.
5. Anna Marie Gallwitz was born 16 Feb 1900, Philadelphia, Philadelphia County, Pennsylvania, USA; died 3 Oct 1905, Philadelphia, Philadelphia County, Pennsylvania, USA; was buried 6 Oct 1905, Philadelphia, Philadelphia County, Pennsylvania, USA.
6. William Gallwitz was born 15 May 1891, Philadelphia, Philadelphia County, Pennsylvania, USA; died Aug 1892, Philadelphia, Philadelphia County, Pennsylvania, USA.