Lothair II, his heir, received only the western Lower Burgundian parts (bishoprics of Lyon, Vienne, Vivarais and Uzès) which were bordering his western Upper Burgundy (remnants of his original Burgundian possessions), while Louis II received the whole rest of the Kingdom of Provence.
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The Treaty of Meerssen or Mersen, concluded on 8 August 870, was a treaty of partition of the realm of Lothair II by his uncles Louis the German of East Francia and Charles the Bald of West Francia, the two surviving sons of Emperor Louis I the Pious.
Treaty of Versailles | Treaty of Trianon | Treaty of Utrecht | Treaty of Aix-la-Chapelle | Treaty of Berlin (1878) | Treaty of Rome | Treaty of Lisbon | Treaty of Campo Formio | Treaty of Berlin | Treaty of Aix-la-Chapelle (1748) | Maastricht Treaty | Treaty of the Pyrenees | Treaty of Saint-Germain-en-Laye (1919) | Treaty of Guadalupe Hidalgo | Penn Treaty Park | Meerssen | Lateran Treaty | Washington Naval Treaty | Treaty of San Stefano | Treaty of Roskilde | Treaty of Nice | Treaty of Frankfurt | Treaty of Brest-Litovsk | Treaty of Bassein | Treaty of Basel | Patent Cooperation Treaty | Treaty of Waitangi | Treaty of Schönbrunn | Treaty of Ryswick | Treaty of Punakha |
The Bishops of Metz had already ruled over a significant amount of territories within the former Kingdom of Lotharingia, which by the 870 Treaty of Meerssen became a part of East Francia.