Royal intermarriage

Marriage between members of royal or ruling families, often arranged to secure alliances, inheritance claims, or political ties.

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Dynastic marriage: Marriage arranged or valued to advance a ruling dynasty’s interests and continuity. The broader practice that includes marriages between royal houses.
Dynasty: A succession of rulers from the same family, often governing a state or territory. Royal intermarriage served the continuity and political reach of ruling dynasties.
Habsburg marriage policy: The Habsburg dynasty’s use of marriage to acquire territories and strengthen political influence. The family’s expansion made royal intermarriage a strategy of statecraft.
Endogamy: The practice of marrying within a defined social, religious, or ethnic group. Royal intermarriage is a political form of marriage within an elite group.
War of the Spanish Succession: A European war from 1701 to 1714 over who would inherit the Spanish monarchy. A dynastic marriage and inheritance claim helped trigger the succession crisis.
Marriage alliance: A political relationship created or strengthened through marriage between families or ruling houses. Royal intermarriage could bind rulers to allies through family ties.
Salic law: A legal principle excluding women from inheriting certain thrones or lands. Rules excluding female succession shaped which royal marriages could carry claims.
Ferdinand II of Aragon: King of Aragon whose marriage to Isabella I of Castile helped unite their crowns. His marriage demonstrates how a royal match could join major Iberian realms.
Exogamy: The practice of marrying outside a defined social, religious, or kinship group. Royal alliances often reached beyond a dynasty, though remained within ruling elites.
War of the Austrian Succession: A European conflict from 1740 to 1748 over Maria Theresa’s inheritance of Habsburg lands. Marriage and succession politics shaped disputes over the Habsburg inheritance.