This happens if your email is connected to the wrong name in your family tree. There are two ways to fix this
[1] In the newsletter, just below the birthday/anniversary list, there is a section titled "Incorrect Relationships?". You will find a link that says "fix this". Click the link and follow the instructions.
OR
[2] Login to your site as administrator. Pick "Newsletter" under "Tools". Then click "edit" next to your name.