Konrad III the Old

Konrad III the Old (Polish: Konrad III Stary) (c.1359 – 28 December 1412) was a Duke of Oleśnica, Koźle, half of Bytom and half of Ścinawa since 1377 (until 1403 with his father as co-ruler).

He was the only son of Konrad II the Gray, Duke of Oleśnica, by his wife Agnes, daughter of Casimir I, Duke of Cieszyn.


In 1377 his father named him co-ruler of all his lands, as his only son and heir. Konrad III began his reign alone only in 1403, after his father's death. Little is known about his reign.

Marriage and issue

By 1380 he married with Judith (also named Jutta or Guta) (d. 26 June 1416), whose originis are unknown. They had seven children:

  1. Konrad IV the Older (b. ca. 1384 – d. 9 August 1447).
  2. Konrad V Kantner (b. ca. 1385 – d. 10 September 1439).
  3. Konrad VI the Dean (b. ca. 1391 – d. 3 September 1427).
  4. Konrad VII the White (b. aft. 1396 – d. 14 February 1452).
  5. Konrad VIII the Younger (b. aft. 1397 – d. by 5 September 1444).
  6. Euphemia (b. ca. 1404? – d. 27 November 1442), married firstly on 14 January 1420 to Elector Albert III of Saxony and secondly in 1432 to Prince George I of Anhalt-Dessau.
  7. Hedwig (b. ca. 1405/16? – d. by 25 June 1454), married by 1430 to Duke Henry IX the Older of Głogów.


Konrad III the Old
Born: c. – c.1359 Died: 28 December 1412
Preceded by
Konrad II the Gray
Duke of Oleśnica
with Konrad II (until 1403)

Succeeded by
Konrad IV the Older
and Konrad V Kantner
Duke of Koźle
with Konrad II (until 1403)

Duke of Bytom (1/2)
with Konrad II (until 1403)

Duke of Ścinawa (1/2)
with Konrad II (until 1403)

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