Ragau
The name Ragau means “friend; shepherd”.
Smith's Bible Dictionary 1863
one of the ancestors of our Lord, son of Peleg. (Luke 3:35) He is the same person with Reu, son of Peleg.
International Standard Bible Encyclopedia 1915
ra'-go (Rhagau (Westcott-Hort): the King James Version; Greek form of "Reu" (thus, the Revised Version (British and American)) (Lu 3:35).