The following individual does not have a valid birth date and could not be added: Eogan Caech Macnath, of Leinster (I2661)
King Edward III (1327 - 1377)
King Richard II (1377 - 1399)
King Henry IV (1399 - 1413)
King Henry V (1413 - 1422)
King Henry VI (1422 - 1461)