Frederick married Wilhelmina Ludwig in 1860. Wilhelmina was born in Sep 1834 in Mecklenburg, Germany; died on 1 Jun 1909 in Gardenville (West Seneca), Erie, New York. [Group Sheet]

1. Sophia Sandow was born on 14 Nov 1862 in Albany, New York; died on 24 Apr 1944 in East Aurora, Erie, New York; was buried in East Aurora, Erie, New York.
2. Henry A. Sandow was born on 16 Mar 1863 in Albany, New York; died on 3 Feb 1914 in Norwalk, Huron, Ohio; was buried in Norwalk, Huron, Ohio.
3. Wilhelmina Sandow was born in 1866 in New York; died before 1880.
4. Ann Sandow was born in 1868 in New York; died before 1875.
5. Frederick C. Sandow was born on 1 Jun 1872 in Gardenville, Erie, New York; died on 11 Sep 1948 in Brockport, Monroe, New York; was buried in Clarkson, Monroe, New York.