Crossword clues for Sister of Castor 5 lettersAnswerClueOLIVEWith 65-Down, toon sister of CastorHELENSister of Castor and PolluxHELENSister of CastorOLIVECastor Oyl's sisterOLIVEOYLSister of CastorHELENESister of Castor and Pollux.OYLSBrother Castor and sister Olive
