John the Blind of Luxemburg , Count of Luxemburg was born in 1296 as son of Henry VII of Luxemburg[?],Holy Roman Emperor.He acceded in 1310 and died in 1346.
In 1310 John married Elizabeth of Bohemia and thereby became king of Bohemia.
Their children were : Charles IV, John Henry, margrave of Moravia and Wenceslas I of Luxemburg, duke of Luxemburg&Brabant.