Who are Yong Yang and Yang Guang respectively?

Yong Yang (? -604), the eldest son of Emperor Wendi. Studious, fond of words. In the Northern Zhou Dynasty, he served as the general commander of Luozhou, Shangzhu and Fufu, and was in charge of the guard. After the establishment of the Sui Dynasty, he became a prince. Although sex is luxurious and there are many pets, when participating in state affairs, I give any suggestions. Later, he became suspicious. His younger brother Yang Guang wanted to seize the crown prince's position, so he took the opportunity to frame Yong Yang. Twenty years (600 years), waste for Shu Ren. Later, he killed Wendi, gave him the courage to die, and made him king of Fangling. Yang Guang was born in Huayin, Emperor Yang Di (569-665438+ 1 April 08), and was born in Chang 'an. He is the second son of Emperor Wendi of Sui Dynasty and Queen Dugu of Sui Dynasty. In the first year of Emperor Kai (58 1), he was established as the King of Jin and was Emperor Kai for 20 years.