Isaac, Helena (birth 30 Oct 1840 Assen - Drenthe, Nederland, died 1 Oct 1922 Assen, Drenthe, Nederland)
Isaac, Isedoor (birth 2 Jan 1845 Assen - Drenthe, Nederland)
Isaac/ Isaa, Hertog (birth 31 Jan 1805 Meurs - died 20 May 1872 Assen, Drenthe, Nederland)
Isaacson, Adolph (birth 18 Oct 1834 Middelburg - Zeeland, Nederland)
Isaacson, Joseph David (birth 6 Jan 1863 Kampen - Overijssel, Nederland)
Israels, Jeltje (birth 10 Oct 1765 Obernasen - , Duitsland, died 9 Aug 1841 Assen, Drenthe, Nederland)
Israels, Lion (birth 30 Aug 1821 Roosendaal - Noord-Brabant, Nederland)
Izaaks, Roosje (birth 15 Nov 1862 Sneek - Friesland, Nederland, died 30 Dec 1942 Auschwitz, Katowice, Polen)
Izaks, Isaac Izak