Margareta of Celje

Margareta of Celje (German: Margareta von Cilly, Polish: Małgorzata Cylejska, Slovene: Margareta Celjska) (1411 – 22 July 1480) was a noblewoman member of the Slovenian House of Celje and by marriage Duchess of both half Głogów and Ścinawa.

She was the only child of Herman III, Count of Celje (b. 1380? - d. after falling from his horse, 30 July 1426), by his first wife, Elisabeth (b. 1377? - d. bef. 1423), daughter of Baron Johann II of Abensberg and widow of Ulrich II of Schauenburg. From her mother's first marriage, Margareta had two older half-brothers, Johann I (d. 16 November 1453) and George I of Schauenburg (d. young, 1404).

From her father's side, she was a niece of Barbara of Celje, known as the Messalina of Germany, second and last wife of Sigismund, Holy Roman Emperor, King of Hungary and Bohemia.

On 15 March 1430 Margareta married firstly with Herman I, Count of Montfort-Pfannberg-Bregenz. They had four children, three sons —Herman II (born in 1431), George I (born in 1433) and Johann III (born in 1434)— and one daughter —Barbara (born in 1435)—. Count Hermann I died on 24 July 1435.

In December 1444 Margareta married secondly with Władysław, Duke of both half Głogów and Ścinawa, member of the Cieszyn branch of the House of Piast. They had no children.

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