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How was Philip V related to Louis XIV of France?

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Illustration of the Battle of Blenheim showing cavalry and infantry in combat, fallen soldiers, and smoke rising from cannon fire across a hilly battlefield. — War of the Spanish Succession The Battle of Blenheim (August 13, 1704), was the most famous victory of John Churchill, duke of Marlborough, and Eugene of Savoy during the War of the Spanish Succession.

Philip V of Spain was the grandson of Louis XIV of France. Philip was the second son of the dauphin Louis, who was himself the son of Louis XIV.12

This familial connection was central to the War of the Spanish Succession, as Philip’s status as a Bourbon prince and grandson of the French king raised concerns among other European powers regarding the potential unification of the French and Spanish crowns. To prevent this, the Peace of Utrecht eventually required Philip to renounce any natural right that he or his descendants might have to the French throne.123