This is Mary's WikiID: Brown-173244
Copy that, then you will have to go into each sibling/child's profile and, on their Edit tab on the right, replace the mother who is currently there with Mary's Wiki ID. And don't forget to save each one.
This is Amos's WikiID: West-11626
Copy that, then you will have to go into each sibling/child's profile and, on their Edit tab on the right, replace the father who is currently there with Amos's Wiki ID. And don't forget to save each one.