You can do it yourself.
Open the category for Irbey, hit edit.
Click on the red catwegory for Boithel at the bottom of Marias'profile it will open with a blank field. Copy in the text from the edit of Ireby, and correct the felds to link to Bothel. Check the prieview, if it all woks, hit sae.
Repeat for Mosser.
Close Ireby without saving.
