Barkos
Smith's Dictionary
(painted). “Children of Barkos” were among the Nethinim who returned from the captivity with Zerubbabel. (Ezra 2:53; Nehemiah 7:55) (B.C. 536.)
International Standard Bible Encyclopedia
bar'-kos (barqoc, "party-colored" (?) compare Gray, Studies in Hebrew Proper Names, 68, note 2): The descendants of Barkos returned with Zerubbabel to Jerusalem (Ezr 2:53; Ne 7:55). Compare Barchus (1 Esdras 5:32).