Topic summary
Habsburg
Extracted from the Wikipedia article House of Habsburg.
Kings of Spain, Kings of Portugal (Spanish Habsburgs)
Habsburg Spain was a personal union between the Crowns of Castile and Aragon; Aragon was itself divided into the Kingdoms of Aragon, Catalonia, Valencia, Majorca, Naples, Sicily (including Malta) and Sardinia. From 1581, they were kings of Portugal until they renounced this title in the 1668 Treaty of Lisbon. They were also Dukes of Milan, Lord of the Americas, and holder of multiple titles from territories within the Habsburg Netherlands. A full listing can be seen here.