Familie: Franz Joseph Mertens / Käthe Sauren (F684)
verh. 1941 | Hubert Josef Mertens (1863-1904) 
|
 | Maria Anna Hubertine Dohms (1870-1919)
|
| Theodor Hubert Mertens (1893-1964)  |
| Franz Matthias Hubert Mertens (1895-1915) |
| Margaretha Hubertine Mertens (1896-1977) |
| Peter Josef Mertens (1900- ) |
| Maria Sibilla Hubertine Mertens (1901-1966) |
| Christine Johanna Hubertine Mertens (1903-2000) |
| Käthe Sauren (1898- ) |
| Franz Joseph Mertens (1898-1955)
|