Hendrik Frederik Portman (1864-1945) |
Maria Theodora Kames (1865-1937) |
Johanna Margaretha Portman (1890- ) |
Hendrik Johannes Leonardus Portman (1893- ) |
Maria Theodora Portman (1898- ) |
Wilhelm Friedrich Merz (1870- ) |
Bertha Henriette Caroline Ossiek (1870- ) |
Christiaan Ferdinand Roelof Portman (1896- ) |
Wilhelmine Mathilde Clara Merz (1898- ) |