血缘的英文：
consanguinity

people tied by blood or marriage.
人们通过血缘和婚姻结合在一起。

The Blood Line started to star her.
因主演《血缘》一片，她开始走红。

There is no doubt that an extended family is related by blood or by marriage.
毫无疑问，大家庭通过血缘或婚姻关系组成。

Connection by blood, marriage, or adoption;family relationship.
亲属关系由血缘，婚姻，或收养形成的亲戚关系；家庭的亲属关系

How does blood relationship and patriarchal system have an effect on Chinese people's addressing?
血缘和宗法对中国人的称谓有什么影响﹖

Nationalism in the old days did not just refer to loyalty to the country.
其次，在多数人的行为准则中，地方的和血缘的忠诚强于对国家的忠诚。

Sexual relations between persons who are so closely related that their marriage is illegal or forbidden by custom.
乱伦血缘过近而使其婚姻不合法或为风俗所禁止的人之间的性关系