John married Anna Marie Schreiner on 1 Jan 1901 in Henry County, Illinois, USA. Anna (daughter of Johannes Schreiner and Eva Filser) was born on 25 Dec 1869 in Lorraine Township, Henry County, Illinois, USA; died on 17 Oct 1950 in Yellow Medicine County, Minnesota, USA. [Group Sheet] [Family Chart]

1. John Sylvester Yackley was born on 10 Aug 1901 in Illinois, USA; died on 19 Feb 1978 in Canby, Yellow Medicine County, Minnesota, USA; was buried in St. Peter's Cemetery, Canby, Yellow Medicine County, Minnesota, USA.
2. Harold Raymond Yackley was born on 9 Jul 1903 in Geneseo, Henry County, Illinois, USA; died on 14 Jan 1967 in Canby, Yellow Medicine County, Minnesota, USA.
3. Ethel Mae Yackley was born on 21 Jun 1906 in Garretson, Minnehaha County, South Dakota, USA; died on 9 Jul 1973 in Canby, Yellow Medicine County, Minnesota, USA.
4. Herbert Clarence Yackley was born on 25 Jan 1908 in Garretson, Minnehaha County, South Dakota, USA; died on 24 Feb 1985 in Hendricks, Lincoln County, Minnesota, USA.
5. Laurina Catherine Yackley was born on 30 Dec 1909 in Garretson, Minnehaha County, South Dakota, USA; died on 6 Oct 2001 in Canby, Yellow Medicine County, Minnesota, USA.
6. Mildred Elizabeth Yackley was born on 2 Feb 1912 in Garretson, Minnehaha County, South Dakota, USA; died on 20 Mar 1996 in Stillwater, Washington County, Minnesota, USA.

Jean married Catherine Gross. [Group Sheet] [Family Chart]