Wilhelm married Johanna Ernestine Wilhelmine Friederike Schulz on 29 Apr 1872 in Stettin, Randow, Pomerania, Prussia, Germany. Johanna (daughter of Johann Ludwig Schulz and Charlotte Carolina Retzlaff) was born on 7 Jun 1849 in Pomerania, Prussia, Germany; died on 11 Apr 1891 in Pierce, Pierce, Nebraska, United States; was buried in 1891 in Lambrecht Cemetery, Pierce, Nebraska, United States. [Group Sheet] [Family Chart]

1. Mathilda Bertha Augusta Voecks was born on 19 May 1873 in Pierce, Pierce, Nebraska, United States; died on 15 Oct 1954; was buried in 1954 in New Lutheran Cemetery, Norfolk, Ne.
2. Emil Voecks was born on 21 Jan 1875 in Pierce, Pierce, Nebraska, United States; died on 20 Nov 1932 in Pierce, Pierce, Nebraska, United States.
3. Frank Carl Voecks was born on 17 Mar 1877 in Pierce, Nebraska, United States; died on 17 Jan 1954 in Norfolk, Madison, Nebraska, United States; was buried in 1954 in Pierce, Nebraska, United States of America.
4. Amanda Augusta Voecks was born on 16 Mar 1879 in Pierce, Pierce, Nebraska, United States; died on 4 Mar 1950.
5. Richard Voecks was born on 30 Sep 1881 in Nebraska, United States; died on 9 May 1957 in Nebraska, United States; was buried in Norfolk, Madison, Nebraska, United States of America.
6. Martha Minnie Louise Voecks was born on 23 Dec 1883 in Nebraska; died on 28 Dec 1967.
7. Ernest Voecks was born on 30 Aug 1886 in Pierce, Nebraska, United States; died on 22 Oct 1953 in Norfolk, Madison, Nebraska, United States.
8. Arthur Voecks was born on 27 Jul 1888 in Pierce, Pierce, Nebraska, United States; died on 13 Jul 1976 in Madison, Nebraska, United States; was buried in Pierce, Pierce, Nebraska, United States.