his parents, and he spent several months there. He requested permission to remain longer at Luoyang, but Emperor Yang denied it. Meanwhile, because he was required to kneel before his father and had to do so repeatedly while at Luoyang, and he was severely overweight, he became ill from the fatigue, and he died in summer 606. When his son Yang Tong later took the throne in 618 during the dynasty's disintegration, he was posthumously honored as an emperor. Family Consorts and their respective issue(s): Princess Consort of Henan, of the Cui clan of Boling (河南王妃 博陵崔氏) Crown Princess, of the Wei clan of Jingzhao (太子妃 京兆韦氏) Yang You, Emperor Gong (隋恭帝 楊侑, 605 – 14 September 619 ), third son Older Lady Liu, of the Liu clan (大刘良娣 刘氏) Yang Tong, Emperor Gong (隋恭帝 楊侗; 600s–619), second son Younger Lady Liu, of the Liu clan (小劉良娣 劉氏) Yang Tan, Prince of Yan (燕王楊倓, 603 – 618), first son References Sui dynasty imperial princes 584 births 606 deaths People from Taiyuan Political office-holders in Shaanxi Heirs apparent who never acceded