An Etymological Dictionary of the German Language/sie

by Friedrich Kluge

sie, pron., ‘she, her, it, they, them’; from MidHG. sie, si (sî), nom. and acc. sing. f., nom. and acc. plur., m., f., and n., OHG. siu, sī̆, nom. sing. f., sié, nom. and acc. plur. For further details see grammars.