Original: Lothair received the central portion of the empire - what later became the Low Countries , Lorraine , Alsace , Burgundy , Provence , and the Kingdom of Italy ( which covered only the northern half of the Italian Peninsula ) , collectively called the Middle Frankish Kingdom .
Simplified: Lothair got the central part of the empire - what later became the Low Countries , Lorraine , Alsace , Burgundy , Provence , and Italy .