けつえん· also けちえん
blood relationship; consanguinity; blood relative
Common word
Noun
正直しょうじきなところ、その当時とうじの僕ぼくは血縁けつえんがどうとか、続柄つづきがらがどうとか、そういう話はなしはまるで理解りかい出来できちゃいなかった。
Truthfully, at that time, I didn't have the first idea about such talk: family links, blood relations or whatever.