My name is Theo Jager and i'am from the Netherlands.
I live in Delfzijl a place about 30 km from Leens where Jan Geerts Jager is born.
I saw on the internet that you are looking for ancestors of Jan Geerts Jager born on 27 dec 1805 in Leens, Groningen.
You said that he is your grand grand grand grandfather, well thats funny he is also my gr gr gr gr father.
I really wonder myself where you are living and what your name is.
Over the last past weeks i have found the Jager family, from myself to Jan Geerts Jager. I have also found his mom and dad.
All the info i put in MacFamilyTree software program, so perhaps I'll put this on the internet. Also found some gravestone pictures of some members of the family.
Still interesting in more info?
I look forward to contact with you. You can reach me at email@example.com