I have been following the e-mails, and some names and locations look similar, although dates are not the same. I offer this family information for you to examine and see if there are any connections.
Heinrich Christian Lübkemann (born 1736 in Nendorf) married Ilse Catherina Dorothee Schröder (born 1737 in Ilvese).
Earlier ancestors are from Huttestorf and others from Heimsen. Would there be anyone who recognizes these names?
Thank you
Ghyll Simoneschi