prohibited degree

A degree of relationship so close (as between brother and sister) that marriage between the persons is forbidden by law.

• Generally, with slight variations from jurisdiction to jurisdiction, the law forbids marriages between all persons lineally related and within the third civil-law degree of relationship. That is, aunt–nephew and uncle–niece relations are prohibited. Prohibited degrees are also known as Levitical degrees, since the incest prohibition is pronounced in the Bible in Leviticus 18:6–18.

— Also termed forbidden degree. [Cases: Marriage 10. C.J.S. Marriage § 17.]


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译员黎川,在一家顶尖澳洲律师事务所的上海办公室担任全职法律翻译,擅长翻译涉及工业与制造业领域的法律文件。