Her son and received word to come, as she was gravely ill. Her son, Charles Quint, The Holy Roman Emperor, His Imperial and Apostolic Majesty, was not at ease in Spain, as Flemish was his native tongue. He journeyed there, expecting a long and tedious stay, but she died moments after he went in to see her. Now came the question of his right to rule Spain, along with many other countries under his rule.