The following data is extracted from Genealogy and Biography of Ontario County, New York.
The late John Spengler, of Geneva, New York, came from Switzerland, but the name is indicative of a German origin. In the battle for education and professional supremacy his son Dr. John Arthur Spengler has won a decided victory. and he is recognized as one of the leading exponents of the science of optics.
John Spengler, born in Switzerland, 1832, emigrated to the United States when a young man and subsequently became a shoe merchant in Geneva, New York. He died at Reading, Pennsylvania, December 20, 1907. He married in Rochester, New York, December 3, 1866, Elizabeth Von Huben, also a native of Switzerland, born in 1842. Children: 1. John Arthur, mentioned elsewhere. 2. Jennie Elizabeth, a resident of Geneva. 3. Rose E., born February 13, 1870, died June, 1875. 4. Frederick Albert, born June 17, 1872, died January, 1902; married, December 13, 1899, Lida Coleman, no children. 5. Dr. Frank Benjamin, a prominent physician of Baldwinsville, New York. 6. Mary Louise, born June 2, 1876, died September 22, 1900; married Vernon S. Stone, of Rochester; child, Marian Elizabeth Stone. 7. George Walter, born June 1, 1879, died in August, 1891.
Source: Genealogy and Biography of Ontario County, New York