At the Judah L. Magnes Museum in California, are held many family histories. Included amongst them are the records of Oser and Bertha Michelson Meyer(FHL film #1031331). According to this record, Bertha and her sister Henriette, both married men from Fordon.
The first sister, Henriette Michelson (1827-1916) married Benjamin Levy(15 Feb 1826-8 Jun 1900). The second sister, Bertha (1834-25 Sep 1897) married Oser Meyer (1824- 30 Sep 1894). Both families raised their families in the San Francisco area and are buried at the Hills of Eternity Cemetery in Colma, California.