Businessman. The son of Steinway Pianos Company found Henry E. Steinway, he oversaw the expansion and growth of the company. Spouse: Regina Roos, divorced 1876.  Spouse 2: Elizabeth C. Ranft 1853 – 1893.  Family links:  Parents:  Henry Englehard Steinway (1797 – 1871)  Children:  George Augustus Steinway (1865 – 1898)*  Paula Theodora Steinway Von Bernuth (1866 – 1931)*  William R. Steinway (1881 – 1960)*  Siblings:  Dorette Johanna Dorothee Juliane Steinway Ziegler (____ – 1900)*  Charles G. Steinway (1829 – 1865)*  Henry E. Steinway (1830 – 1865)*  William Steinway (1835 – 1896)  Albert Steinway (1840 – 1877)* *Calculated relationship