Simplify the following text for a Grade 7 native English-speaking person.
Original: The line of the counts of Geneva ended in 1394 , and the House of Savoy came into possession of their territory , assuming after 1416 the title of Duke .
Simplified: The last Count of Geneva died in 1394 , and the House of Savoy took over their land . In 1416 the counts became dukes , and kept trying to bring the city of Geneva under their control , often by making members of their own family to Bishops of Geneva .