Transcontinental royal intermarriage

One of the best-known instances of transcontinental royal intermarriage is the one between Alexander the Great, king of Macedon, and his three Persian wives, Roxana, Stateira and Parysatis.

in 327 BC, during his conquest of the Achaemenid Empire, Alexander the Great fell in love with Roxana, daughter of the Bactrian nobleman Oxyartes, and married her despite his companions' opposition.

Here follows a list of documented marriages: Around 1265, Byzantine Emperor Michael VIII attempted to start diplomatic relationships with the Mongol Ilkhanate.

[21] Around 1238, Béla IV of Hungary arranged a marriage between his son, future Stephen V, and Elizabeth, the daughter of a Cuman leader whom he had invited to settle in the plains along the river Tisza.

The marriage resulted in 4 daughters and 2 sons, among whom there is Laudislaus IV, who succeeded his father, and who was nicknamed "the Cuman" for his mother's origins.

[22][23][24][25] In 1315, Yury, prince of Moscow, sealed an alliance with khan Uzbeg of the Golden Horde by marrying his sister Konchaka.