Jan Sjoerds Dupon
- Born: 25 Jul 1781, Sumar (Suameer) Tietjerksteradeel Friesland Netherlands
- Marriage: Grijntje Edzes Zijlstra 17 Jul 1808, Sumar (Suameer) Tietjerksteradeel Friesland Netherlands
- Died: 25 Jun 1856, Nijega Smallingerland Friesland Netherlands at age 74
Jan married Grijntje Edzes Zijlstra, daughter of Edse Jacobs Zijlstra and Wietske Lieuwes, on 17 Jul 1808 in Sumar (Suameer) Tietjerksteradeel Friesland Netherlands. (Grijntje Edzes Zijlstra was born in 1783 in Sumar (Suameer) Tietjerksteradeel Friesland Netherlands and died on 16 Dec 1859 in Nijega Smallingerland Friesland Netherlands.)
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