1690 - 22 September 1774) Princess Amelie Auguste of Schleswig-Holstein-Sonderburg-Beck (22 September 1691 - 11 August 1693) Prince Philip William of Schleswig-Holstein-Sonderburg-Beck (10 June 1693 - c. November 1729 Princess Louise Albertine of Schleswig-Holstein-Sonderburg-Beck (27 August 1694 - 10 January 1773) Peter August, Duke of Schleswig-Holstein-Sonderburg-Beck (7 December 1697 - 22 May 1775) Princess Sophie Henriette of Schleswig-Holstein-Sonderburg-Beck (18 December 1698 - 9 January 1768). Married to Albrecht Christoph, Count of Dohna-Schlodien in Leistenau; their daughter Charlotte married to Prince Karl Anton August of Schleswig-Holstein-Sonderburg-Beck. Princess Charlotte of Schleswig-Holstein-Sonderburg-Beck (15 March 1700 - 19 July 1785) Frederick Louis was succeeded as duke by his eldest son, Frederick William II (1687–1749) (whose only son, Duke Frederick William III, died in the Battle of Prague in 1757), and eventually by his younger sons, Charles Louis (1690–1774), and Peter August (1697–1775). In 1732, Frederick William II would purchase Beck from Maria Antonia, re-uniting the ducal title and ducal lands. But the latter only remained in the family until sold again in 1745. Ancestry Notes and references 1653 births 1728 deaths Dukes of Schleswig-Holstein-Sonderburg-Beck Military personnel from North Rhine-Westphalia Field marshals of Prussia German military personnel of the War of the Spanish Succession People from Herford (district)