Murong Nuohebo
Murong Nuohebo (慕容諾曷鉢) (died 688), regal title Wudiyebaledou Khan (烏地也拔勒豆可汗) or, in short, Ledou Khan (勒豆可汗), Tang Dynasty noble title Prince of Qinghai (青海王), was the last khan of the Xianbei state Tuyuhun. He had become khan in 635 after his grandfather, the Busabo Khan Murong Fuyun and his father, the Gandou Khan Murong Shun, had both been killed in the same year: Murong Fuyun during a Tang invasion and Murong Shun assassinated by his own people in the aftermaths of the Tang conquest. Murong Nuohebo's control over his people was initially tenuous and required Tang military affirmation on at least two occasions, but once his control was firmer, he faced the threat of Tibetan Empire to the south-west. In 663, unable to stand Tibet pressure, he took his people and requested refuge in Tang territory, and by 672, Tibet had taken over all of former Tuyuhun territory. The Tuyuhun people were settled within Tang territory, and Murong Nuohebo was made a Tang prefect. While he continued to carry the title of khan until his death in 688, typically, Tuyuhun was considered destroyed by either 663 or 672.
It is not known when Murong Nuohebo was born. In 635, his grandfather, the Busabo Khan Murong Fuyun, who had been aggravating China's Tang Dynasty for years with border raids, drew a Tang reprisal attack, commanded by the general Li Jing, and was killed in flight. Murong Nuohebo's father Murong Shun surrendered and was created the Gandou Khan to succeed Murong Fuyun, but as Murong Shun had spent years in China during Sui Dynasty and his mother was Sui's Princess Guanghua, he was considered too sinicized and not supported by the people. Late in 635, he was assassinated. Murong Nuohebo, who was said to be young (although his age by that point is unknown), and who carried the title of Prince of Yan, became khan. Emperor Taizong of Tang sent the general Hou Junji with Tang troops to help Murong Nuohebo pacify the Tuyuhun people.
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