Jørgen married Karen Ottesdatter Gyldenstierne on 27 May 1565. Karen (daughter of Otte Henriksen Gyldenstierne and Helvig Mogensdatter Gøye) was born about 1530. [Group Sheet] [Family Chart]

1. Otto Jørgensen Marsvin was born about 1565; died about 1606.
2. Helle Marsvin was born in 1566; died in 1637.
3. Anne Jørgensdatter Marsvin was born in 1569.
4. Ellen Jørgensdatter Marsvin was born on 01 Feb 1572 in Landskrona Slott, Sweden; died on 11 Nov 1649 in Nørre Broby Kirke, Sallinge, Svendsborg, Denmark.