build a grand tomb. The top of the tomb had been damaged by later buildings built on top of it, and the tomb had been robbed in antiquity. No coffin or human remains have been found in the tomb, but a number of artefacts have been recovered, including a pair of lion-shaped gold-inlaid iron door-knockers and a jade belt with gold decoration. Arts Emperor Yang was also a patron of the arts, having expanded the number of foreign orchestras (from across Asia) at the Sui court from seven to nine. He was, in fact, quite a gifted artist himself, but one prone to horrible fits of jealousy and stubbornness, who seldom listened to the advice of more talented individuals. He was a talented poet but killed two poets after he found their stanzas to be superior to his own. Era name Daye (大業 dà yè) 605–618 Family Consorts and Issue: Empress Min, of the Lanling Xiao clan (; 567–647) Yang Zhao, Emperor Xiaocheng (; 584–606), first son Yang Jian, Prince of Qi (; 585–618), second son Princess Nanyang (; 586–630), first daughter Married Yuwen Shiji, Duke Xincheng (572–642) in 599, and had issue (one son) Consort, of the Yingchuan Chen clan (妃 潁川陳氏) Concubine, of the Xiao clan () Yang Gao, Prince of Zhao (; 607–618), fourth son Noble Lady, of the Yingchuan Chen clan (贵人 潁川陳氏), personal name Chou (婤) Jieyu, of the Dao clan (婕妤刀氏), personal name Miaolian (妙琏) Unknown Third son Princess Yang (陽氏), second daughter married Li Shimin of Longxi (; 598–649), and had issue (two sons including Li Ke) Descendants Yang Guang, Emperor Yang of Sui Yang Zhao () (584–606) Yang Dan () (603–618), Prince of Yan (), Zhao's son with Lady Liu the Elder (), killed under Yuwen Huaji's order Lord Huangtai () (604–619), personal name Yang Tong (), Zhao's son with Lady Liu the Younger (小劉良娣), bestowed by Wang Shichong as Emperor Gong (), later killed under Wang's order Emperor Gong () (605–618), personal name Yang You (), Zhao's son with Consort Wei (韦妃), died after his abdication in favor of Li Yuan, Imperial Duke of Tang Yang Jian () (585–618) Two elder sons, murdered by Yuwen Huaji in 618 Yang Zhengdao (618/619–650s), later given the office of Yuanwai sanqi shilang (员外散骑侍郎) in Tang dynasty Yang Chongli (杨崇礼) (?–?), given the office of Minister of Palace Supplies (太府卿), Minister of Revenue (户部尚书) Yang