His marriage record states that he was born about 1774. His death record states he was born about 1770.
Records for Osinski family also in Klein Watkowitz - the Gutzek family lived there off and on during the mid-19th-century. The branch of descendants of Jacob Mathias Osinski lived in Oschen and other small towns near Marienwerder, now called Kwidzyn.
Death record states he was 82 at the time he died.
Hij is getrouwd met Anna Catharina Brzezinski "Brezinska" "Brozinski".
Zij zijn getrouwd op 15 mei 1808 te Oschen, Marienwerder, Westpreußen (Ośno, Kwidzyn, Poland).Bron 3
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