Everyone came to the wedding, including a distant 'cousin' no one had heard from in years.
He's her 'first cousin'. = He and she are 'first cousins'.
He says politics and show business are 'kissing cousins'.
(..) - Do you keep an eye out for them? - Yes. - And for me? - From now on. - I've missed you all this time. - I missed you too, cousin. I missed growing up with my cousins. I didn't even know you, but missed you. Do you remember stories about our fathers? The old days? Yeah, what do you want to know? (..)1990 The Godfather Part III
(..) Where's Mary? Would somebody please hail Mary? Excuse me, Your Excellency. You haven't kissed me hello yet. Relatives always kiss. - Now we're related? - I'm your little cousin. - Who's your father? - I'll give you a hint. He's Italian. Mary, we've been waiting for you. (..)1990 The Godfather Part III