Rademaker, Catharina Adriana
Rijs, Juda
Rijs, Leentje (birth 5 May 1839 Rotterdam - died 21 May 1920 Den Haag)
Rombouts, John
Rombouts, Otto Ralph (birth Bloemendaal)
Roos, David (birth 17 May 1855 Rotterdam - died before 1931)
Roos, Isaac