Background
She was the daughter of Yu Jing (于勁), the younger brother of the powerful general Yu Lie (于烈).
于皇后
She was the daughter of Yu Jing (于勁), the younger brother of the powerful general Yu Lie (于烈).
She was Emperor Xuanwu"s first empress. Emperor Xuanwu took her as an imperial consort, and in late 501 created her empress. She was said to be quiet, tolerant, and not jealous.
When Empress Yu suddenly died in 507, it was believed that Consort Gao poisoned her, but historians concede that there is not conclusive evidence.