Here are the possible solutions for child's first name clue
Answer
Clue
Relevancy
grandparent
Clue
Spoiler of a child's child
Definition
a parent of one's father or mother
horsey
Clue
Child's rocking toy, in child-speak
Child's rocker, in child-speak
Definition
like a horse, also HORSY
julia
Clue
Child's first name
ono
Clue
Musician whose unusual first name means "ocean child"
Musician whose first name is Japanese for "ocean child"
Definition
(Hawaiian) a kind of fish
fun
Clue
First word across in the first-ever crossword (1913) and the first of a dozen appearances of the word in this puzzle's grid, written word search-style (left, right, down, and diagonally) ... Can you f