Schleswig-Holstein-Sonderburg-Beck (Schleswig-Holstein-Beck for short) was a branch of the Schleswig-Holstein-Sonderburg

Schleswig-Holstein-Sonderburg

Schleswig-Holstein-Sonderburg was the name of a branch line of the House of Oldenburg as well as the name of their land. It existed from 1564 until 1668 and was a titular duchy under the King of Denmark, rather than a true territorial dukedom in its own right...

 branch of the House of Oldenburg

House of Oldenburg

The House of Oldenburg is a North German dynasty and one of Europe's most influential Royal Houses with branches that rule or have ruled in Denmark, Russia, Greece, Norway, Schleswig, Holstein, Oldenburg and Sweden...

. It consists of August Philipp, Duke of Schleswig-Holstein-Sonderburg-Beck (1612-1675), and his male-line descendants. Schleswig-Holstein-Glücksburg, to which several present-day royal houses belong, is a branch of Schleswig-Holstein-Beck.

The members of the line were titular dukes of Schleswig

Schleswig

Schleswig or South Jutland is a region covering the area about 60 km north and 70 km south of the border between Germany and Denmark; the territory has been divided between the two countries since 1920, with Northern Schleswig in Denmark and Southern Schleswig in Germany...

 and Holstein

Holstein

Holstein is the region between the rivers Elbe and Eider. It is part of Schleswig-Holstein, the northernmost state of Germany....

 and were originally not ruling. The line is named after Beck, a manor in Ulenburg, Bishopric of Minden

Bishopric of Minden

The Bishopric of Minden was a Roman Catholic diocese and a state, Prince-bishopric of Minden , of the Holy Roman Empire. Its capital was Minden which is in modern day Germany.-History:...

 (today Löhne

Löhne

Löhne is a town in the district of Herford, in North Rhine-Westphalia, Germany.-Geography:Löhne is situated on the river Werre, approx. 8 km north of Herford and 20 km south-west of Minden.-Neighbouring places:* Hüllhorst* Bad Oeynhausen...

, North Rhine Westphalia). August Philipp bought this manor from the Count of Oldenburg

Oldenburg (state)

Oldenburg — named after its capital, the town of Oldenburg — was a state in the north of present-day Germany. Oldenburg survived from 1180 until 1918 as a county, duchy and grand duchy, and from 1918 until 1946 as a free state. It was located near the mouth of the River Weser...

, and made it his residence.

Tree of the Schleswig-Holstein-Sonderburg-Beck line:

• August Philipp, Duke of Schleswig-Holstein-Sonderburg-Beck (1627-75),
  • August, Duke of Schleswig-Holstein-Sonderburg-Beck (1675-89),
    • Friedrich Wilhelm I, Duke of Schleswig-Holstein-Sonderburg-Beck (1689-1719),
  • Frederick Louis, Duke of Schleswig-Holstein-Sonderburg-Beck (1719-28),
    • Friedrich Wilhelm II Herzog von Schleswig-Holstein-Sonderburg-Beck (1728-49),
      • Friedrich, Duke of Schleswig-Holstein-Sonderburg-Beck (1749-57),
    • Karl Ludwig, Duke of Schleswig-Holstein-Sonderburg-Beck (1757-74),
    • Peter August, Duke of Schleswig-Holstein-Sonderburg-Beck
      Peter August, Duke of Schleswig-Holstein-Sonderburg-Beck
      Peter Augustus of Schleswig-Holstein-Sonderburg-Beck was the eighth Duke of Schleswig-Holstein-Sonderburg-Beck...
      
       (1774-75),
      • Karl Anton August, Prince of Schleswig-Holstein-Sonderburg-Beck
        • Friedrich Karl Ludwig, Duke of Schleswig-Holstein-Sonderburg-Beck
          Friedrich Karl Ludwig, Duke of Schleswig-Holstein-Sonderburg-Beck
          Friedrich Karl Ludwig of Schleswig-Holstein-Sonderburg-Beck was the fifth and penultimate Duke of Schleswig-Holstein-Sonderburg-Beck...
          
           (1775-1816),
          • Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg
            Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg
            Friedrich Wilhelm Paul Leopold was the first Duke of the Second Line of Schleswig-Holstein-Sonderburg-Glücksburg and founder of a line that includes the Royal Houses of Denmark, Greece, Norway, and the United Kingdom...
            
             (1816-25), founder of the Schleswig-Holstein-Glücksburg line