Alexander married Anna Cecilia Casper on 30 Oct 1906 in Detroit, Wayne County, Michigan, USA. Anna (daughter of Joseph G. Casper and Mary Louisa Lambrix) was born on 29 May 1885 in Michigan, USA; died on 1 Jan 1971 in Detroit, Wayne County, Michigan, USA. [Group Sheet] [Family Chart]

1. Marie Louise Klein was born on 20 May 1908 in Detroit, Wayne County, Michigan, USA; died on 8 Mar 2004 in Michigan, USA.
2. Rosaline Elisabeth Klein was born on 12 May 1911 in Detroit, Wayne County, Michigan, USA; died on 26 May 2000 in Michigan, USA.
3. Lillian Cecilia Klein was born on 8 Oct 1914 in Detroit, Wayne County, Michigan, USA; died on 6 Sep 2000 in Garden City, Wayne County, Michigan, USA.
4. Magdalene Klein
5. Joseph Bernard Klein was born on 28 Jun 1918 in Detroit, Wayne County, Michigan, USA; died on 16 Mar 2002 in Michigan, USA.
6. Nicholas John Klein was born on 20 Feb 1920 in Detroit, Wayne County, Michigan, USA; died on 1 Aug 1975 in Taylor, Wayne County, Michigan, USA.
7. Anthony Blaise Klein was born on 3 Feb 1921 in Detroit, Wayne County, Michigan, USA; died on 15 Feb 1999 in Michigan, USA.
8. Michael John Klein was born on 21 Aug 1924 in Detroit, Wayne County, Michigan, USA; died on 1 Sep 1925 in Detroit, Wayne County, Michigan, USA.
9. Matthew R. Klein