Overview
Rupert I of Legnica (27 March 1347 – by 12 January 1409) was a Duke of Legnica from 1364 until his death, and also regent over half of the Duchy of Głogów-Żagań during 1397–1401.
He was the eldest son of Wenceslaus I, Duke of Legnica, by his wife Anna, daughter of Casimir I, Duke of Cieszyn. He was born after eight years of childless marriage.
Life
Rupert's father died in 1364, leaving him and his four siblings under the guardianship of his uncle Louis I the Fair. One year later, with his cousin Henry VII with a Scar -Louis's son-, Rupert joined to the Emperor Charles IV's trip to be crowned King of Arles. Rupert visited then another French cities, including Avignon, where he obtained from the Pope Urban V the annulment of the excommunication over his late father.
In 1370 he participated in the Sejm Reich in Nuremberg, where for the first time, Rupert manifest his political views.
From Wikipedia (CC BY-SA 4.0).