Sijtske married Eelke Eelkes Boonstra on 01 Oct 1798 in Garijp, Tietjerksteradeel, FR, NLD. Eelke (son of Eelke Rommerts Boonstra and Sijtske Johannes Helder) was born on 17 Dec 1776 in Garijp, Tietjerksteradeel, FR, NLD; died on 09 Apr 1854 in Garijp, Tietjerksteradeel, FR, NLD. [Group Sheet] [Family Chart]

1. Eite Eelkes Boonstra was born on 24 Mar 1799 in Garijp, Tietjerksteradeel, FR, NLD; died on 30 Apr 1863 in Garijp, Tietjerksteradeel, FR, NLD.
2. Sjoerd Eelkes Boonstra was born on 13 Jan 1801 in Garijp, Tietjerksteradeel, FR, NLD; died on 30 Dec 1863 in Garijp, Tietjerksteradeel, FR, NLD.
3. Jeenke Eelkes Boonstra was born on 22 Aug 1803 in Garijp, Tietjerksteradeel, FR, NLD; died on 12 Dec 1855 in Garijp, Tietjerksteradeel, FR, NLD.
4. Sijtske Eelkes Boonstra was born on 05 Jan 1806 in Garijp, Tietjerksteradeel, FR, NLD; died on 14 Jun 1860 in Oostermeer, Tietjerksteradeel, FR, NLD.
5. Jeltje Eelkes Boonstra died on 26 Sep 1815 in Tietjerksteradeel, FR, NLD.
6. Aukjen Eelkes Boonstra was born on 19 Oct 1808 in Garijp, Tietjerksteradeel, FR, NLD; died on 23 Dec 1844 in Kollumerland, FR, NLD.
7. Eeltje Eelkes Boonstra was born on 09 May 1811 in Tietjerksteradeel, FR, NLD; died on 13 Nov 1826 in Tietjerksteradeel, FR, NLD.
8. Klaas Eelkes Boonstra was born on 29 Dec 1814 in Garijp, Tietjerksteradeel, FR, NLD.
9. Rommert Eelkes Boonstra was born on 14 Feb 1818 in Garijp, Tietjerksteradeel, FR, NLD; died in 1859 in Garijp, Tietjerksteradeel, FR, NLD.
10. Pieter Eelkes Boonstra was born on 21 May 1820 in Garijp, Tietjerksteradeel, FR, NLD; died on 24 Jul 1869 in Garijp, Tietjerksteradeel, FR, NLD.