| Father | Stephanus "Stephan" Klapperich (1849 - 1915) |
| Mother | Helen Magdalena Borchers-Borges (1858 - 1946) |
| Sibling | Anna Gertrude Klapperich (1877 - 1947) |
| Sibling | Maria "Mary" Klapperich (1879 - 1879) |
| Sibling | Maria Klapperich (1881 - 1881) |
| Sibling | Maria Anna "Anne" Klapperich (1882 - 1965) |
| Sibling | John Henry Klapperich (1884 - 1945) |
| Sibling | Henricus "Henry" Klapperich (1887 - 1915) |
| Sibling | Paulina Klapperich (1888 - 1890) |
| Sibling | Christina Klapperich (1890 - 1890) |
| Sibling | Henry Timothy "Tim" Klapperich (1891 - 1945) |
| Sibling | Nicholas Klapperich (1893 - 1915) |
| Sibling | Infant Klapperich (1896 - 1896) |
| Sibling | Rose Mary Klapperich (1897 - 1957) |
| Sibling | Maria Victoria Klapperich (1899 - 1899) |