According to Tibetan Annals, Mangsham was appointed as the Lönchen in 725 after Shang Trisumje's death.
He was ordered to convene a spring coalition in 726, and levied taxes on people who were directly subordinate to the emperor.
He died in the next year and succeeded by another general, We Tadra Khonglo.
This biographical article related to an Asian military person is a stub.
You can help Wikipedia by expanding it.This Tibetan biographical article is a stub.