noun
lineal relative; direct lineal ancestor or descendant
A legal and genealogical term for a person related in a direct line, such as a parent, grandparent, child, or grandchild. Not used for siblings, aunts, uncles, or cousins.
民法では、直系血族の間には扶養義務があると定められている。
The Civil Code stipulates that there is a duty of support among lineal relatives.
直系血族とは、親子や祖父母と孫のような関係を指します。
Lineal relatives refer to relationships like parent-child or grandparent-grandchild.