I don't see anything in Discussion or Memories for any of these folks. All the sources that are attached seem to be in order for the person that they are attached to. Perhaps someone came through and detached the incorrect records already?
If you are willing to "Share" the 'FamilySearch Person Identifiers' (PIDs) of the individuals/person concerned, someone here in this Forum should be able to tell you how.
It should be possible; but, it is best if we have a look at things to see what has transpired first - before suggesting anything.
Wilhelm Hagen born 1827
Wilhelmine Müller born 1827
Friedrich Hagen born 08/15/1847. Pinnow, Prussia death 05/17/1897. Illinois
Charles Hagen born 04/21/1843 Stavenhagen death 01/05/1926. Illinois
This is all the info I have. Been at a brick wall for 15 years.
How do I do that?
If this is the right family: https://www.familysearch.org/tree/person/details/GQK3-222
I'm not sure I understand what your question is. What did you attach wrong in Family Tree? Or are you asking about research?
I attached two docs that don’t belong to these lines. John Sitzman belongs to my dads side not my moms side that I have emailed on.