Duncan, Dunstan, Erwan, Erwanig, Erwann, Even, Ifig, Ivain, Ive, Ivelin, Ivo, Ivon, Ivor, Ivoun, Ménandre, Nymphe, Nymphéa, Polyène, Timandra, Von, Vonig,
Youenn, Youn, Yvain, Yvannic, Yve, Yvelin, Yveline, Yves, Yvi, Yvo, Yvon, Yvonne, Yvonnic, Yvor.