Nice to meet someone with common ancesters. If you need further information on this line, I shall be happy to provide anything I have - dates, places, dokuments etc.
I think it would be easier, if you gave me your mail-adress, that we could communicate direct.
mine is firstname.lastname@example.org
I live about 20 miles from the village, where they lived.
I have attached David Chistensen Duuns and his fathers signatures.
By the way, Margrethe Nielsen was merried to Christen Christensen Duun, not Peder Christensen Duun.