Who was the grandfather of the Bonne de Luxembourg on her father's side?
Psalter of Bonne de Luxembourg:  It was probably executed for Bonne de Luxembourg, Duchess of Normandy, daughter of John the Blind and the wife of John II of France, probably at the end of her husband's life, c 1348-49. John of Bohemia:  He was the eldest son of the Holy Roman Emperor Henry VII and his wife Margaret of Brabant.
Henry VII