New Living Translation
“But why did you need to search?” he asked. “Didn’t you know that I must be in my Father’s house?”

American Standard Version
And he said unto them, How is it that ye sought me? knew ye not that I must be in my Father's house?

Berean Study Bible
“Why were you looking for Me?” He asked. “Did you not know that I had to be in My Father’s house?”

Douay-Rheims Bible
And he said to them: How is it that you sought me? did you not know, that I must be about my father's business?

English Revised Version
And he said unto them, How is it that ye sought me? wist ye not that I must be in my Father's house?

King James Bible
And he said unto them, How is it that ye sought me? wist ye not that I must be about my Father's business?

World English Bible
He said to them, "Why were you looking for me? Didn't you know that I must be in my Father's house?"

Young's Literal Translation
And he said unto them, 'Why is it that ye were seeking me? did ye not know that in the things of my Father it behoveth me to be?'

Luke 2:49 Additional Translations ...