Herman Marius Christiaan Poortman (1847- ) |
Cornelia Maria Vaillant (1853-1933) |
Karel Arnold Poortman (1878- ) |
Christiaan Joannes Poortman (1880-1945) |
Sofia Elisabeth Poortman (1882- ) |
Marius Poortman (1886- ) |
Hendrik Christoffel Duyvendak (1887- ) |
Marie Louise Poortman (1889-1974) |