On 10 Oct 1846 two Spanish Princesses were married ...

Francisco de Asís King Consort Spain (age 24) and Isabella II Queen Spain (age 16) were married. They were double first cousins. She was forced to marry by the Moderare Party. She, apparently commented, "what shall I tell you about a man whom I saw wearing more lace than I was wearing on our wedding night?". She the daughter of Ferdinand VII King Spain and Maria Christina of the Two Sicilies Queen Consort Spain (age 40). They were first cousins.

Antoine Orléans Duke Montpensier (age 22) and Infanta Luisa Fernanda Duchess of Montpensier (age 14) were married. She the daughter of Ferdinand VII King Spain. He the son of King Louis Philippe I of France (age 73).