Background
The great-granddaughter of king Christian III of Denmark, she was the third daughter, eighth by birth, of Philip, Duke of Schleswig-Holstein-Sonderburg-Glücksburg and Princess Sophia Hedwig of Saxe-Lauenburg.
The great-granddaughter of king Christian III of Denmark, she was the third daughter, eighth by birth, of Philip, Duke of Schleswig-Holstein-Sonderburg-Glücksburg and Princess Sophia Hedwig of Saxe-Lauenburg.
She was the first Duchess of Augustenborg by marriage. The royal line, the palace, and the town of Augustenborg, were named in honor of her. Titles and styles 27 June 1633 – 15 June 1651: Her Serene Highness Princess Auguste of Schleswig-Holstein-Sonderburg-Glücksburg 15 June 1651 – 18 January 1689: Her Serene Highness The Duchess of Schleswig-Holstein-Sonderburg-Augustenburg 18 January 1689 – 26 May 1701: Her Serene Highness The Dowager Duchess of Schleswig-Holstein-Sonderburg-Augustenburg.