Francis H Riddel 1911–1993 | | |
Arnold Floyd Riddel 1914–1963 | | |
| | Henry Charles Riddel 1877–1961 | | |
| | Ferdinand A Wirz 1858–1939 Karoline Aenishaemslin 1856– Louise Amelia Miller 1860–1957 | | |
Friedrich Otto Wirz 1881–1883 | | |
| | | | |
| | John Adam Samuel Wirz 1860–1949 Marie Louise Goldenman 1860–1952 | | |
| | Elizabeth Klöti 1829–1912 Friedrich Adam Wirz 1835–1860 | | |