How to merge a Geni GEDCOM

[Istvan 0]

Dear all,

I wonder what you think may be a best practice to merge new information from Geni.

I originally started my family tree in Geni, but then continued in TNG, adding lots of content.

Now I have exported the TNG  Gedcom and imported it into Geni, and due to this, but also because during the last years others have made a lot of progress there is a lot of new information in Geni that
could enrich my TNG content.
I would love to merge these back into TNG.

Any good practices on doing this?

Thanks,

Istvan