So my parents have a cousin that's related to both of them.
I'm not sure how far it is down the line I think maybe a 5th or 6th cousin if those are even things. My mom says they aren't related because my great grandma would always have to approve of any boys my mom and her sisters brought home to make sure they weren't her cousins (inbreeding was a thing in their neck of woods, Southerners you know) but she said nothing about my dad.