ใครแต่งงานกับOtto, Duke of Brunswick-Grubenhagen?

Otto, Duke of Brunswick-Grubenhagen (1320 – 1 December 1398) was the fourth and last husband of Joanna I of Naples. He also held the title of Prince of Taranto. His nickname was Otto the Tarantine.

Violante of Vilaragut (1320 or 1325 – before 1372) was a daughter of Berengeur de Vilaragut and his second wife Saura, who was an illegitimate daughter of James II of Majorca. Violante was titular queen of Majorca by her marriage to her cousin James III of Majorca.

Juana I de Anjou-Sicilia (Nápoles, 1326 - Aversa, Campania, 1382) fue reina de Nápoles y Condesa de Provenza y Forcalquier (1343 - 1382), Reina Titular de Jerusalén, Reina titular consorte de Mallorca y Princesa de Acaya.