아이가 있는

who has a child

→ 아이
phrase Uncommon #12,776
who has a child Literally, “with a child.” 아이가 있다 is the Korean way to say that someone has a child.
KO: 아이가 있는 사람을 찾고 있어요.
EN: I'm looking for someone who has a child.

아이가 있는 것도 알고 있었어요

I knew they had a child, too.

— 학살기관 (2017)