Family: Charles Henry Calver / Apollonia Elizabeth Helm (F108658)
Katharina Lambertus (1831-1911) 
|
Johannes Jacob Helm (1854- ) |
| Catharina Helm (1855- ) |
| Frederick Helm (1858- ) |
| George Michael Helm (1860- ) |
| Anna Maria Helm (1863- ) |
| Ludwig Joseph Helm ( -1935) |
| Charles Henry Calver (1859-1921) |
| Apollonia Elizabeth Helm (1857- )
|