He was the fourth son of Konrad III the Old, Duke of Oleśnica, by his wife Judith.

Like his three older and one younger brothers, at the baptism he received the name of Konrad, which was characteristic in this branch of the House of Piast.

At a young age, he fought in the famous Battle of Grunwald (1410) on the side of the Teutonic Order and was taken captive by the Polish, but was soon released.

Konrad VII began his rule over the family lands only in 1416, when all his brother (including him) attained his majority.

[citation needed] By 2 February 1437 Konrad VII married firstly Katharina (d. bef.