About Konrad III the Old
Lived 1350 – 1412 (aged 61–62). Konrad III the Old was a German feudatory and monarch.
Konrad III the Old ( – 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.
Life 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 origins are unknown. They had seven children: Konrad IV the Elder (ca. 1384 – 9 August 1447). Konrad V Kantner (ca. 1385 – 10 September 1439). Konrad VI the Dean (ca. 1391 – 3 September 1427). Konrad VII the White (aft. 1396 – 14 February 1452). Konrad VIII the Younger (aft. 1397 – by 5 September 1444). Euphemia (ca. 1404? – 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. Hedwig (ca. 1405/16? – by 25 June 1454), married by 1430 to Duke Henryk IX Starszy of Głogów.
Don’t just read it —
keep it.
Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.
- E-book
- Audio
- Video
Instant download · yours to keep · every purchase keeps this site free
Important facts
Family & relationships
Contemporaries
People whose lives overlapped Konrad III the Old's
Frequently asked questions
Who was Konrad III the Old?
Duke of Oleśnica, Koźle, Bytom and Ścinawa
When was Konrad III the Old born?
Konrad III the Old was born in 1350 in Poland.
When did Konrad III the Old die?
Konrad III the Old died on 28 December 1412 in Poland.
What was Konrad III the Old's occupation?
Konrad III the Old was a feudatory and monarch.
What nationality was Konrad III the Old?
Konrad III the Old was German.
Sources & further reading
· Wikipedia: Konrad III the Old
Cite this page
APA: Biography.guide. (2026). Konrad III the Old. https://biography.guide/konrad-iii-the-old/
MLA: "Konrad III the Old." Biography.guide, https://biography.guide/konrad-iii-the-old/.
Chicago: "Konrad III the Old." Biography.guide. https://biography.guide/konrad-iii-the-old/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
Portrait: Wikimedia Commons · author & licence
Page generated 2026-09-27 04:58 UTC