What is the birthdate of this Count of Luxembourg and King of Bohemia, who was father of Psalter of Bonne de Luxembourg?
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: John the Blind (Luxembourgish: "Jang de Blannen" ; German: "Johann der Blinde von Luxemburg" ; ; 10 August 1296 – 26 August 1346) was the Count of Luxembourg from 1309 and King of Bohemia from 1310 and titular King of Poland.
i don't know