This is the 6899th most frequent Korean word.
자녀가
"자녀가" means "children (offspring)."
In this sentence, "자녀가" is used to indicate possession of children, expressing how many children someone has.
그녀는 자녀가 둘입니다.
She has two children.
Here, "자녀가" refers to the children about whom the subject wants to provide assistance in focusing on their studies.
자녀가 공부에 집중할 수 있도록 돕고 싶어요.
I want to help my children focus on studying.
This use of "자녀가" specifies the stage or condition of the children, when they were young.