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'.
(..) and the third bloody world war. Look, the Minister's very pleased with your progress so far. He's less pleased, though, with the lack of progress with our American cousins. You see, in their eyes, you're still a leaky ship. Yes? 'Someone on the line for you, sir. (..)2011 Tinker Tailor Soldier Spy