Only Infanta Pilar had her ducal title confirmed in Spanish law, because she lived in Spain after her marriage.
But it was never a dubious title, like Countess of Odiel.
Manuel, was the title Duque de Segovia (granted to Jaime by his father during royal exile) ever retroactively confirmed in Spanish law? Or did it remain somewhat dubious, like the Condesa de Odiel title?
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