Sjoerd married van der Zwaag Hiltje Eerdes on 24 Jan 1779 (civil) in Surjuisterveen. Hiltje (daughter of Lourens Eede and Jans Antje) was born in Mar 1749 in Augsbuurt-Lutjewoude; was christened on 6 Apr 1749 in Augsbuurt-Lutjewoude; died on 2 Apr 1819 in Nieuw Kruisland. [Group Sheet]

1. Schuringa Grietje Sjoerds was born in 1779; died in 1841.
2. Schuringa Antje Sjoerds was born in 1781; died in 1841.
3. Schuringa Sikke Sjoerds was born in 1783; died in 1807.
4. Schuringa Eerde Sjoerds was born in 1787; died in 1836.
5. Schuringa Jan Sjoerds was born in 1792; died in 1826.