Can Siblings Marry in Japan?

#1 (Article 733)] Lineal relatives by blood, collateral relatives within the third degree of kinship by blood #2, may not marry, except between an adopted child and their collateral relatives by blood through adoption. #3 (Article 734) Lineal relatives by affinity may not marry.

Is it OK in Japan to marry your cousin?

First-cousin marriage is allowed in Japan, though the incidence has declined in recent years. China has prohibited first-cousin marriage since 1981, although cross-cousin marriage was commonly practiced in China in the past in rural areas.

Can you marry relatives in Japan?

Consanguinity, or marriage between cousins, is still permitted in Japan. It is no longer as common today as in yesteryear when it frequently occurred in arranged marriages, possibly to keep their wealth in the family, prevent cultural values from dying out, or keep family ties strong.