Andrea Eleonore Krejci (born 1956) (b. 1956) Parents Friedrich Krejci Rosa Maria Hamper Children Prince Alexander of Windisch-Graetz Prince Konstantin of Windisch-Graetz Princess Melanie of Windisch-Graetz Prince Franz Josef of Windisch-Graetz Prince Maximilian of Windisch-Graetz Partners Prince Philipp of Windisch-Graetz