Ernst Poertgen (25 January 1912 â 30 November 1986) was a German footballer who played as a forward for Schwarz-WeiàEssen, 1. FC Nürnberg, Schalke 04, Bonner SC and Wacker München. He also represented the Germany national team, earning three caps between 1935 and 1937 and scoring five goals, including a hat trick in a 7âÂÂ2 win against Luxembourg in September 1936.