Blood Relative
noun, の adjective
Those sharing blood within a tribe are blood relatives. This is a formal term often used in legal matters related to inheritance or insurance claims. In fiction it’s sometimes applied to vampire bloodlines and other supernatural families.
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.
「直系血族」とは、直上下の関係にある血族のことで、自分と血の繋がった祖父母や父母、子や孫との関係のことを指します。
”Direct blood relatives” refers to blood relatives within your direct line of descent, such as grandparents, parents, children or grandchildren who are related to you by blood.
法定血族関係が生じるのは養子縁組をした場合のみです。
A legal blood relationship only arises in the case of adoption.
直系血族からの住宅取得等資金の贈与には、 特例制度で最高1500万円までの非課税枠があります。
There is a special exemption for gifts of housing acquisition funds from direct blood relatives, allowing up to 15 million yen to be tax-free.