duesseldorf germany marcus pretzell senior member far-right alternative germany afd husband party co-leader frauke petry tuesday tell regional party branch want leave afd regional lawmaker afd say mr pretzell tell parliamentary group want leave parliamentary group also afd say helmut seifen lawmaker regional assembly western state north rhine-westphalia say pretzell decline comment early tuesday german media report wife petry would leave party become third large group parliament sunday national election husband far-right afd co-leader quit party lawmaker say