Roelf de Boer Roelf Gerrit Rijkens Roelf Gerbrands Roelf Korvemaker Roelf Meijer Roelf Hofstee Holtrop Roelf Jans Giezen Pieter Roelf Bos Roelf Gerrit Rijkens (1862-1950) Roelf Jongman Jan Roelfs Roelf-Jan Tiktak Jan Roelfs (1963) Jan Roelfs (1957) Pieter Roelf Roelfsema