also: けちえん
blood relationship; consanguinity
Refers to the abstract tie of shared blood or genetic connection. Often used in legal, anthropological, or formal contexts.
Marriage between people who are related by blood is prohibited by law.
彼とは血縁はないが、本当の兄弟のように育った。
I have no blood relationship with him, but we grew up like real brothers.
Refers to a person who is related by blood, as opposed to a relative by marriage or adoption. Often used in the plural 血縁者.
彼は私の唯一の血縁です。
He is my only blood relative.
血縁のない親族も大切にしている。
I also cherish relatives who are not related by blood.
I am related to him by blood.
This company gives priority to blood ties when choosing its successor.
They raised a child with no blood relation as their adopted son.
She searched for her blood relatives in her hometown.
kin group; consanguineous group