Gramophone Hall of Fame entrant 2012 Personal life In 1949, Fischer-Dieskau married the cellist Irmgard Poppen. Together they had three sons: Mathias (a stage designer), Martin (a conductor), and Manuel (a cellist). Irmgard died in 1963 of complications following childbirth. Afterwards, Fischer-Dieskau was married to the actress Ruth Leuwerik , from