Charles married Catharina Lanvermeyer on 23 Apr 1867 (burgerlijk huwelijk) in Cincinnati OH USA. Catharina (daughter of Johan Heinrich Lanvermeyer and Clara Elisabeth Drosselmeier) was born on 23 Dec 1845 in Oberholsten Duitsland; died on 12 Sep 1932 in USA. [Group Sheet] [Family Chart]

1. Clarise Mercer was born on 3 Jun 1868 in USA; died on 6 Feb 1934 in USA.
2. Catharina Mercer was born on 1 Sep 1870 in USA; died on 12 May 1896 in USA.
3. William Henry Mercer was born on 12 Aug 1872 in USA; died on 30 Jul 1951 in USA.
4. Marie Louise Mercer was born on 1 Sep 1875 in USA; died on 2 Jul 1920 in USA.
5. Amy Catharina Mercer was born on 24 Jun 1878 in USA; died on 12 Mar 1948 in USA.
6. Luella Carolijn Mercer was born on 22 Jul 1880 in USA; died on 17 May 1965 in USA.
7. Edna Adelaide Mercer was born on 20 Aug 1882 in USA; died on 15 Apr 1963 in USA.
8. Alma Catharina Mercer was born on 31 Jul 1885 in USA; died on 16 Feb 1949 in USA.
9. Charobette Mercer was born on 3 Mar 1887 in USA; died on 10 Feb 1912 in USA.