William married Emma Gerthoffner on 24 Jan 1892 in Boonville, Cooper County, Missouri, USA. Emma (daughter of Nikolaus Gerthöffner Gerthoffner and Maria Magdalena Glatt) was born on 13 Aug 1862 in Roanoke, Woodford County, Illinois, USA; died in 0Jun 1947 in California, USA; was buried in Walnut Grove Cemetery, Boonville, Cooper County, Missouri, USA. [Group Sheet] [Family Chart]

1. William W. Back was born on 21 Aug 1892 in Missouri, USA; died on 25 Apr 1974 in California, USA.
2. Edward George Back was born on 31 Oct 1894 in Boonville, Cooper County, Missouri, USA; died on 13 Jul 1948 in California, USA.
3. Corinne Back was born on 13 Jun 1896 in Boonville, Cooper County, Missouri, USA; died on 18 Oct 1981 in Millbrae, San Mateo County, California, USA; was buried on 21 Oct 1981 in Santa Rosa, Sonoma County, California, USA.

Phillip married Katherine Christina Saueressig on 27 Oct 1857 in Boonville, Cooper County, Missouri, USA. Katherine was born on 24 Apr 1827 in Olsburg, Pottawatomie County, Kansas, USA; died on 9 Mar 1910 in Boonville, Cooper County, Missouri, USA; was buried on 11 Mar 1910 in Walnut Grove Cemetery, Boonville, Cooper County, Missouri, USA. [Group Sheet] [Family Chart]