The only-begotten God, who is in the bosom of the Father, has made Him known.
Literal
Father's bosom [in-に] is only-child God [subject-が], God [object-を] has-revealed [formal-のである].
A Japanese translation of John 1:18 from the Bible. 懐 (ふところ) means 'bosom/breast.' おられる is the honorific form of いる. 解き明かす means 'to reveal/elucidate.' The formal のである ends the passage with authoritative weight.