Hi Donald, You can read up on this here: https://www.wikitree.com/wiki/Help:Sources_FAQ
"We use the {{Unsourced}} Research Note Box to identify profiles with no clear identification of where any information on the profile came from.
It should be used on any profile with no source citations, or no source citations that clearly identify the source.
Here are examples of source citations that don't meet the minimum specificity needed to identify a particular source:
- "Find-A-Grave"
- "FamilySearch"
- "Personal records"
- "Family Bible"