Joachim Ernest, Prince of Anhalt (1536–1586), German prince of the House of Ascania
Saxony-Anhalt | Ernest Hemingway | Prince of Wales | Charles, Prince of Wales | Prince | Prince Charles | Prince (musician) | Prince William, Duke of Cambridge | Prince Albert | Prince Edward Island | Prince Edward, Earl of Wessex | Port-au-Prince | Prince Caspian | Albert, Prince Consort | Ernest Shackleton | Prince Edward | Joachim Murat | Prince Philip | Ernest Borgnine | Prince Arthur, Duke of Connaught and Strathearn | crown prince | Coswig, Anhalt | Prince of Orange | Prince Andrew, Duke of York | Ernest Tubb | The Little Prince | Prince Harry | Robin Hood: Prince of Thieves | Prince Richard, Duke of Gloucester | Prince Igor |
title=Prince of Anhalt-Plötzkau|
title=Prince of Anhalt-Plötzkau
title=Prince of Anhalt-Dessau
with George II (until 1509)
and Sigismund III (until 1487)
title=Prince of Anhalt-Aschersleben|
In addition to the new residence town of Plön his estate included Ahrensbök and Reinfeld.
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John Adolphus, also known as Hans Adolf (b 1634; d 1704), Duke of Schleswig-Holstein-Sonderburg-Plön, married Dorothea of Brunswick-Wolfenbüttel
In Barby on 3 March 1560 Joachim Ernest married Agnes (b. Barby, 23 June 1540 – d. Bernburg, 27 November 1569), daughter of Wolfgang I, Count of Barby-Mühlingen.
# Dorothea Auguste (12 May 1602 – 13 March 1682), married in 1633 to Joachim Ernest, Duke of Schleswig-Holstein-Sonderburg-Plön.
He was born on 8 April 1634 in Ahrensbök, the eldest son of the first Duke of Plön, Joachim Ernest and Dorothea Augusta of Schleswig-Holstein-Gottorp.
In 1671 there was a further division of assets after the death of Duke Joachim Ernest, and the Duchy of Rethwisch was created around the place of the same name under his second son, Duke Joachim Ernest; this reverted to the line of the first born in 1729.