Question

How do I delete double family

Comments

At WikiTree, we don’t delete; we merge the profiles.

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Although you can propose the merges at the one time, they should be completed  from the earliest person, down through the line.

Answer 1

Here is the help page for duplicates.   https://www.wikitree.com/wiki/Help:Duplicates

If you still need help, let us know, there is a whole project called the Arborist Project that is focused on duplicates.

Answer 2

Exactly what profiles are duplicated?  You will probably have to merge them one profile at a time, but it depends on the shape of the profiles.