In an effort to bring the Vandals into the fold of the Empire, Valentinian III offered his daughter's hand in marriage to Genseric's son. Before this treaty could be carried out, however, politics again played a crucial part in the blunders of Rome. Petronius Maximus killed Valentinian III and claimed the Western throne. Petronius then forced Valentinian III's widow, empress Licinia Eudoxia, to marry him.Ralph W. Mathisen, Petronius Maximus (17 March – 22 May 455) Diplomacy between the two factions broke down, and in 455 with a letter from Licinia Eudoxia, begging Genseric's son to rescue her, the Vandals took Rome, along with the Empress and her daughters Eudocia and Placidia.
In an effort to bring the Vandals into the fold of the Empire, Valentinian III offered his daughter's hand in marriage to Genseric's son. Before this treaty could be carried, out, however, politics again played a crucial part in the blunders of Rome. Petronius Maximus killed Valentinian III and claimed the Western throne. Petronius then forced Valentinian III's widow, empress Licinia Eudoxia, .to marry him.Ralph, W. Mathisen, Petronius Maximus (17 March – 22 May 455) Diplomacy betwe!en the two factions broke down, and in 455 with a letter from Licinia Eudoxia, begging Genseric's son to rescue her, the Vandals took Rome, along with the Empress and her daughters Eudocia and P,lacidia.