Easton's Bible Dictionary (1897)
Separated, the second son of Reuben (Gen. 46:9).
Smith's Bible Dictionary (1863)
(distinguished), Pallu the son of Reuben is so called in the Authorized Version of (Genesis 46:9) (B.C. about 1706.)
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
PHAL'LU (distinguished). Gen 46:9. See Pallu.
Hitchcock's Bible Names (1869)
Pallu, admirable; hidden