Pomponia Graecina the emperor Caligula and Agrippina the Younger, who was the mother of Nero and wife of Claudius. Other notable ancestors on her mother's side include the historian and senator Gaius Asinius Pollio, who was consul in 40 BC. Pomponia married Aulus Plautius (d. by 65 AD), the senator and general who led the Roman conquest of Britain in 43 AD, for which he later received a military ovation, and who governed Roman Britain until 47 AD. A younger Aulus Plautius, probably their son, was murdered by the emperor Nero, supposedly because Nero's mother Agrippina had fallen in love with him
Yang Zhao was their oldest son. In his infancy, he was raised by his grandparents Emperor Wen and Empress Dugu. In 590, Emperor Wen created him the Prince of Henan. He initially married the daughter of the official Cui Hongsheng (崔弘昇) as his wife and princess, but after Princess Cui's aunt, who married his uncle Yang Jun the Prince of Qin, was discovered to have poisoned Yang Jun over her jealousness for Yang Jun's concubines in 597, Yang Zhao divorced his wife and married the daughter of the official Wei Shou (韋壽) the Duke of Hua as his wife and princess. After