Konrad III the Old

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.