Description of Error - 309: Mother is also a sibling

This person's mother is also his/her sibling. She cannot be both. If there is no 301 error (Mother is self) reported on the same profile, the problem is with the father's children. Father's children should be corrected.

Content of info column: Empty

Possible Causes

Connecting a profile as child that is already connected as husband, or connecting a profile as husband that is already connected as child.

Action Steps

One relation should be deleted or replaced with correct one.

Error Status

For each Error you can set status. You can set it as Corrected, Not corrected, False Error, Proposed merge or just add a Comment.

If there are related errors for the profile, you will also see them on status page.

Full description is available on Status Help Page.

Questions and Discussions on this Error

You can read what other people have asked here db_error_309.

You can also share your best practices, experiences, problems about the Error by posting a question in G2G. If you create a new G2G discussion for this Error, add tag data_doctors and db_error_309.

Technical Stuff

A person's mother cannot also be that person's sibling. It is checked for all profiles with public tree and defined both parent-child relations.

Suggestion reports

You can see the weekly prepared list of the latest suggestions prepared on March 16th 2025. You can also get the online report on WikiTree+.