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For 70 peaceful years Byang-chub rgyal-mtshan (died 1364) and his two successors ruled a domain wider than that of the Sa-skya-pa. Thereafter, although the Phag-mo-gru Gong-ma (as the ruler was called) remained nominally supreme, violent dissension erupted again. In 1435 the lay princes of Rin-spungs, ministers of Gong-ma and patrons of the increasingly influential Karma-pa sect, rebelled and by 1481 had seized control of the Phag-mo-gru court. Already a new political factor had appeared in the Dge-lugs-pa sect. Its founder was a saintly scholar, Blo-bzang grags-pa (died 1419), known as Tsong-kha-pa for his supposed birthplace of Tsong-kha in eastern A-mdo. ...(100 of 8380 words)