Save Gender Masculine Usage Medieval Dutch Pronounced Pron. RIEK-wien, RIEK-vien [key] Other Forms FormsRijckwin, Rijckwyn, Rijcquijn, Rijcquin, Rijcquyn, Rijcqwijn, Rijcqwin, Rijquijn, Rijquin, Rijquyn, Rijqwijn Meaning & History Variant spelling of Ryckwyn.