Joseph Sternfeld and Frouke van Gelder (Leijzer van Gelder and Rachel Abrahams)
married 31 Aug 1873 in Groningen.
They had 12 children:
1) Jacob Joseph 1874-1943
2) Louis 23-08-1876-27-11-1878
3) Eva 1878-1943
4) Louis b. 15 Sep 1880
5) Rika 9 Dec 1882-1 Mar 1884
6) Dina 9 Dec 1882-6 Mar 1884
7) Salomon b.19 Jan 1885-
8) Rika Dina 1886-1943
9) Abraham 24 May 1888-26 Jun 1913
10) Sara 1889-1943
11)…