RUDOLPHUS Dirk 1868-1937 Makkingea-Eaststellingwerf (Friesland) & FASSOTTE Johanna Egbertina 1874-1955 Amsterdam (Noord-Holland)
RUDOLPHUS Johanna Egbertina 1896-1981 Amsterdam (Noord-Holland) & STEENBERGEN Gerrit
STEENBERGEN Dirk Jan 1931-1989 Amsterdam (Noord-Holland)