Save Gender Masculine Usage Medieval Dutch Other Forms FormsRyckwijn, Ryckwin, Rycquijn, Rycquin, Rycquyn, Rycqwijn, Rycqwin, Rycqwyn, Ryquijn, Ryquin, Ryquyn, Ryqwijn, Ryqwin, Ryqwyn Meaning & History Medieval Dutch form of Ricwin.