One of the  main students of Milarepa (Mi la ras pa) was Gampopa (sGam po pa), author of the Jewel ornament of liberation and founder of Dagpo Kagyu (Dwags po bka’ brgyud). Four of Gampopa’s disciples founded four different Kagyu schools. Most famously the Karma Kagyu school was founded by Düsum Khyenpa (Dus gsum mkhyen pa)….