| | Ludwig Theophil Ritscher 1887–1924 Margaretha Christine Hahn 1892–1968 | | |
| | Robert Julius Ritscher 1849–1919 Karoline Dorothea Klara Glücks 1861–1929 | | |
Agnes Margarethe Elisabeth Ritscher 1881–1959 | | |
| | Oscar Rudolph Ritscher 1886–1962 | | |
Martha Dora Ritscher 1891–1981 | | |
Olga Katharina Ritscher 1896–1975 | | |
| | Curt Wilhelm Hugo Ritscher 1854–1938 | | |
Jeanette Ritscher 1891–1944 | | |
| | Paul Robert Ritscher 1894–1974 Maria Johanna Kamperdijk 1894–1972 | | |
Paul Robert Ritscher 1930–1941 | | |
Gottfried Ritscher 1931–1996 | | |
| | Herbert Ritscher 1934–1986 | | |
| | Johannes Ritscher 1896–1957 Lina Winkelmann 1893–1965 | | |
| | Paul Alfred Ritscher 1856–1920 Henriette van Engelen 1859–1931 | | |
| | Emil Oskar Ritscher 1857–1926 Bertha Ella Emilie Richter 1860–1927 | | |
| | Emilie Agnes Sickert 1829–1867 August Wilhelm Julius Ritscher 1820–1911 | | |