Schleswig-Holstein | Eric Clapton | Duke University | Duke Ellington | Duke | Duke of Wellington | Prince William, Duke of Cambridge | Schleswig | Duke of York | Duke of Norfolk | Eric Heiden | Eric | Duke of Edinburgh | Duke of Burgundy | Eric Maschwitz | Eric Idle | Prince Arthur, Duke of Connaught and Strathearn | George Villiers, 1st Duke of Buckingham | Eric Burdon | Prince Andrew, Duke of York | Eric Flint | Duke of Northumberland | Alfred, Duke of Saxe-Coburg and Gotha | Prince Richard, Duke of Gloucester | Prince Frederick, Duke of York and Albany | George Duke | Charles Lennox, 2nd Duke of Richmond | Eric Roberts | Eric Bogosian | Louis Philippe II, Duke of Orléans |
Mechthild (1225–1288): she married firstly in 1237 Abel of Denmark, Duke of Schleswig and later King of Denmark (this marriage provided the basis for later claims by the Schauenburgers on the Duchy of Schleswig); and secondly Birger Jarl, Regent of Sweden
Later he was the first Duke of Schleswig and the first border prince who was both a Danish and a German vassal, a position leafing towards the historical double position of Southern Jutland.
Katharina (b 1534; d 10 May 1559) m (1557) William of Rosenberg, Senior Burgrave (Oberburggraf) of Bohemia (1535–1592)
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In 1529 Eric allowed the town of Hanover to hold an annual Schützenfest ("shooting festival"), which today has become the Hanover Schützenfest, the largest of its kind in the world.
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In 1530 he took Aerzen back into the possession of the Welfs (his coat of arms is over the door in the north wing of the castle).
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His funeral took place in 1541 in Hann. Münden's St. Blasius Church, after his body was released in Haguenau one year after his death on payment of his debts.
Later that year, Albert tasked Eric with the reconquest of Gotland.
The definite partitioning of Saxony into Saxe-Lauenburg, jointly ruled by Eric I and his brothers and Saxe-Wittenberg, ruled by their uncle Albert II, took place before 20 September 1296, when the Vierlande, Sadelbande (Land of Lauenburg), the Land of Ratzeburg, the Land of Darzing (later Amt Neuhaus), and the Land of Hadeln are mentioned as the separate territory of the brothers.
Eric (Longbone), from 1295 Lord of Langeland (1272–1310), married Sophia Burghardsdatter (died 1325), daughter of Queen dowager Jutta of Denmark and Count Burchard VIII of Querfurt-Rosenburg, Burgrave of Magdeburg
Her brother was Adolf VIII/I, Count of Holstein/Duke of Schleswig.
He was the son of Count Eric I of Hoya and his wife Helen, the daughter of Duke Magnus II Torquatus.