The future Princess Pingyang was the third daughter of Li Yuan, then Duke of Tang, a hereditary nobleman of Sui China and cousin of Emperor Yang. She was his third daughter, but the only daughter of his wife Duchess Dou, … See more

In 617, Li Yuan, then the general in charge at Taiyuan was planning to rebel against Emperor Yang of Sui, by whom he had been imprisoned before. He sent messengers to his daughter and son-in-law Chai Shao… See more

Princess Pingyang, however, was not recorded as having been involved in another battle after her father's capture of Chang'an; she later died in March 623. While historians do not know the true cause of her deat… See more