Background
He was the second son of Casimir I, Duke of Cieszyn, by his wife Euphemia, daughter of Duke Trojden I of Czersk-Warsaw.
He was the second son of Casimir I, Duke of Cieszyn, by his wife Euphemia, daughter of Duke Trojden I of Czersk-Warsaw.
In 1345 Bolesław was still a normal priest. Then King John of Bohemia began his efforts to obtain for him the canonry and prebendary of the Cathedrals of both Krakow and Wrocław. As a result, in 1349 Bolesław finally sat in the Krakow Chapter.
The son and successor of King John, the future Emperor Charles IV, obtained for him the canonry of Wrocław, and in 1353 appointed him as his personal chaplain, and with this, the position of Provost of the Church of All Saints on the Royal Castle in Prague.
Bolesław"s place of burial is unknown.
