Benedicta Henrietta of the Palatinate Benedicta Henrietta of the Palatinate Princess Palatine Benedicta Henrietta (Benedicta Henrietta Philippina; 14 March 1652 – 12 August 1730) was Duchess of Brunswick-Lüneburg, or of Hanover, by her marriage to Duke John Frederick. She was the third and youngest daughter of Prince Palatine Edward and the political hostess Anna Gonzaga. Born in Paris to the landless Prince Palatine Edward, "Bénédicte Henriette"'s paternal grandparents were Frederick V, Elector Palatine and Elizabeth Stuart, the "Winter Queen". Her maternal grandparents were Charles I, Duke of Mantua and Montferrat and his French wife Catherine de Mayenne, daughter of Charles de Lorraine-Guise, Duke of Mayenne.
Maria, wife of Constantine V time her stepson Leo IV the Khazar was crowned co-emperor (6 June 751) and her husband recovered Melitene. The reasons are unknown. Maria died childless and Constantine would proceed to marry Eudokia, who gave him six more children. Maria, wife of Constantine V Maria (Greek: Μαρία; died 751) was the second Empress consort of Constantine V of the Roman Empire. Constantine was Emperor since 741 and his first wife, Tzitzak, gave him his only known son, Leo IV the Khazar, on 25 January 750. There is no further mention of her and, by the following year, Constantine was already married