Hi Daniel, You will need to remove your email address from the profile Nightingale-621 and then merge the two profiles. Click here for Merging Help.
Remove the email address from Nightingale-621 then merge Nightingale-621 into Nightingale-401
Two active accounts cannot be merged. Please deactivate one account by removing its e-mail address, or contact info@wikitree.com for help.