Jan Geerts Kool, geboren te Appingedam op 27 juli 1744
He is married to Dieverke Jacobs Rengers.
They got married on October 8, 1782 at Appingedam, Gemeente Appingedam, Groningen, Netherlands, he was 38 years old.Source 2
Marriage contract closed October 8, 1872 in Appingedam, Gemeente Appingedam, Groningen, Netherlands .Source 3
Fivelingo or Fivelgo is a historical region and one of the Ommelanden (shires) in the province of Groningen. It was located southeast of Hunsingo, northeast of Gorecht, and northwest of Oldambt, and southwest of the Wadden Sea. Fivelingo was named after the historical river Fivel./ Alle Groningers