Incestuous marriage - Kinshinkekkon

Japanese: 近親結婚 - きんしんけっこん

Marriage between people with close kinship. This is prohibited as a taboo in most societies, but there are examples of it being practiced by royal families in ancient societies. There are two reasons for the prohibition of incestuous marriages. 1. Prohibition for eugenic reasons. The Civil Code prohibits marriage between lineal blood relatives (direct relatives) and collateral blood relatives within the third degree of kinship (Civil Code Article 734). 2. Prohibition for moral reasons. The Civil Code prohibits marriage between people who are or have been legal lineal blood relatives (such as adoptive parents and adopted children) and between people who are or have been lineal in-laws (such as bride and father-in-law) (Civil Code Articles 735 and 736). In Japan, cousins (fourth degree of kinship) can marry each other. →Incest→Related topics Blood marriage | Marriage | Relatives

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

親族関係の緊密な者の間の婚姻。これはほとんどの社会でタブーとして禁止されているが，古代社会の王族などでは行われた例もある。近親結婚禁止の理由は二つある。1.優生学的理由による禁止。民法は自然血族の間では直系血族（直系親族）および三親等内の傍系血族（傍系親族）間における婚姻を禁止（民法734条）。2.道義的理由による禁止。民法は，法定の直系血族（養親と養子など）であり，またはあった者の間，直系の姻族（嫁と舅(しゅうと)など）であり，またはあった者の間における婚姻を禁止（民法735，736条）。日本ではいとこ同士（四親等）は婚姻できる。→近親相姦
→関連項目血族結婚｜婚姻｜親族

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