Okker, Jeanette Esther (birth 10 Sep 1903 Amsterdam - died 28 MEI 1943 Sobibor)
Okker, Juda Markus
Okker, Samuel (birth 29 MEI 1860 Amsterdam - died 11 Feb 1929 Amsterdam)
Oppenheimer, Joseph (birth 0 ___ 1811 Nienburg - Hannover)
Oppenheimer, Sara (birth 18 Jul 1836 Nienburg - Hannover, died 24 Aug 1925 Winschoten)
Overste, Rebecca