Two Children Duplicated and Unable to Remove Duplicate

I found that there is a duplicate child in my "Configure Family" section.  There is a warning that states that ". . . is not assigned to any device associated with this account".  When trying to remove that child from my list, an message pops up stating "Unable to remove child".  What do I need to do to remove the second child from the list?  

Also, I'm not sure if this may be a contributing factor in the problem that I posted related to trying to configure on a new Android 4.2.2 tablet or not. Here is that link: https://community.norton.com/forums/android-422-cannot-retrieve-data