Could you form a medley relay using only blood relatives?

Interesting results. Only about 3/5th. I would've thought there'd be more swimming families. As for my answer, I'm the only one across all generations who even knows how to swim.

Interesting results. Only about 3/5th. I would've thought there'd be more swimming families. As for my answer, I'm the only one across all generations who even knows how to swim.