Interestingly, third degree cousins seem to maximize reproductive success, at least retrospectively: https://www.decode.com/decode-links-closer-kinship-with-rep

Interestingly, third degree cousins seem to maximize reproductive success, at least retrospectively: https://www.decode.com/decode-links-closer-kinship-with-reproductive-success/ https://www.decode.com/decode-links-closer-kinship-with-repr...