Christian Augustus of Holstein-Gottorp, Prince of Eutin

Christian Augustus
Christian Augustus
	Portrait of Christian August, c. 1710
Born	11 January 1673; Schleswig
Died	24 April 1726 (aged 53); Eutin
Spouse	Albertina Frederica of Baden-Durlach (m. 1704)
Issue; Detail	Hedwig Sophie, Abbess of Herford; Prince Charles Augustus; Princess Frederica Amalia; Anne, Princess William of Saxe-Gotha-Altenburg; Adolf Frederick, King of Sweden; Frederick Augustus I, Duke of Oldenburg; Joanna Elisabeth, Princess of Anhalt-Zerbst ; Prince George Louis;
House	House of Holstein-Gottorp
Father	Christian Albert, Duke of Holstein-Gottorp
Mother	Princess Frederica Amalia of Denmark

Christian Augustus of Holstein-Gottorp-Eutin (11 January 1673 – 24 April 1726) was a cadet of the reigning ducal House of Holstein-Gottorp who became prince-bishop of Lübeck (de facto prince of Eutin) and regent of the Duchy of Holstein-Gottorp.

He was the father of Adolf Frederick, King of Sweden, and the maternal grandfather of Catherine the Great, Empress of Russia.