Family: Jakob Thevis / Maria Gertrude Mertens (F27002)
Jakob Thevis (1830- ) 
|
Maria Gertrude Mertens (1830- ) |
Johannes Gerhard Thevis (1857-1934)  |
| Cornelia Thevis (1862-1950) |
| Aloysius Thevis (1866-1937) |
| Peter Joseph Thevis (1868-1955) |
| Father John Daniel Thevis (1871-1899) |
| Anna Maria Thevis (1880-1957) |