Blood Relative
noun, の adjective
Your tribe's blood (lots of inbreeding) are the blood of your relatives. These are blood relatives.
けつぞく
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
おそうしきの後に、血族の集まりがあります。
After the funeral, we will have a gathering of blood relatives.
コウイチの血族は、みんなとても身長が高い。
Koichi's blood relatives are all tall.
私の父は血族じゃないが、それでも本当の父のように思っている。
My dad isn’t a blood relative but I still think of him as my real dad.