List of countesses of East Frisia

Countess of East Frisia

Name	Father	Birth	Marriage	Became Countess	Ceased to be Countess	Death	Spouse
Theda Ukena	Uko van Oldersum	1434	1453	1464 County created	27 September 1466 husband's death	17 September 1494	Ulrich I
Elisabeth of Rietberg	John I, Count of Rietberg	1475	8 July 1498		27 September 1466 husband's death	13 July 1512	Edzard I
Anna of Oldenburg	John V, Count of Oldenburg (Oldenburg)	14 November 1501	6 May 1530		24 September 1540 husband's death	10 November 1575	Enno II
Katharina of Sweden	Gustav I of Sweden (Vasa)	6 June 1539	1 October 1559		1 March 1599 husband's death	21 December 1610	Edzard II
Anna of Holstein-Gottorp	Adolf, Duke of Holstein-Gottorp (Holstein-Gottorp)	27 February 1575	28 January 1598	1 March 1599 husband's accession	24 April 1610		Enno III
Juliana of Hesse-Darmstadt	Louis V, Landgrave of Hesse-Darmstadt (Hesse-Darmstadt)	14 April 1606	5 March 1631		1 November 1648 husband's death	15 January 1659	Ulrich II

Picture	Name	Father	Birth	Marriage	Became Princess	Ceased to be Princess	Death	Spouse
	Juliana Sophia of Barby-Mühlingen	Albrecht Friedrich, Count of Barby-Mühlingen (Barby)	14 April 1636	7 November 1656		4 April 1660 husband's death	12 May 1677	Enno Louis
	Christine Charlotte of Württemberg	Eberhard III, Duke of Württemberg (Württemberg)	21 October 1645	10 May 1662		6 June 1665 husband's death	16 May 1699	George Christian
	Eberhadine Sophie of Oettingen-Oettingen	Albrecht Ernst I, Prince of Oettingen-Oettingen (Oettingen-Oettingen)	16 August 1666	3 March 1685		30 October 1700		Christian Eberhard
	Christine Louise of Nassau-Idstein	George August, Count of Nassau-Idstein (Nassau)	31 March 1691	24 September 1709		13 April 1723		George Albert
	Sophie Caroline of Brandenburg-Kulmbach	Christian Heinrich, Margrave of Brandenburg-Bayreuth-Kulmbach (Hohenzollern)	31 March 1705	8 December 1723		12 June 1734 husband's death	7 June 1764	George Albert
	Sophie Wilhelmine of Brandenburg-Kulmbach-Bayreuth	George Frederick Charles, Margrave of Brandenburg-Bayreuth (Hohenzollern)	8 July 1714	25 May 1634	12 June 1734 husband's accession	25 May 1744 husband's death	7 September 1749	Charles Edzard
In 1744 East Frisia was annexed to Prussia.