| | Julius Steffens 1847–1927 | | |
Sophie Steffens 1886–1962 | | |
Elly Bertha Steffens 1922–1961 | | |
| | Friedrich Fritz Steffens 1888–1962 Maria Barbara Braun 1894–1956 | | |
August Steffens 1890–1955 | | |
Albert Steffens 1893–1962 | | |
Julius Steffens 1894–1915 | | |
Robert Steffens 1899–1925 | | |
| | Gustav Steffens 1850–1904 Bertha Stollewerk 1860–1920 | | |
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