Khye Bumsa (Wylie: Gyad 'bum bsags)[1] is named in the Sikkimese migration narratives as a 13th-century prince from the Minyak House in Kham in Eastern Tibet.
In the Tibetan version of the narrative, Khye Bumsa's father, a crown prince of Minyak,[a] had a divine vision one night instructing him to travel to Sikkim, where his descendants are destined to become rulers.
During the pilgrimage, the family visit the Sakya region where the ruler is constructing a temple but unable to raise the columns.
After the meeting, an alliance is established, erected nine stones pillars and sealed with the sacrifice of animals and other rituals with witness as mt.
[6][7]The place where the ritual was performed is said to have been Kabi later known as Kabi lungtshok ( Long Chok meaning long stone erected for worship ), and the day is celebrated as Pang-Lhabsol till today signifies the day of unity between Lepchas and Bhutia.His three sons settle in Sikkim, and the middle son Mi dpon rab eventually has the descendant Phuntsog Namgyal, who becomes the first Chogyal of Sikkim.
According to their narrative, Khye Bumsa left his home country with "some men", due to the pressure exerted by the Chinese and Mongols.