Milarepa, Gampopa founded Daklha Gampo Monastery (Dwags lha sgam po) in 1121 CE. He had many great students who were accomplished tantric practitioners, both monks and laymen. Gampopa's teaching joined the Lamrim teachings of the Kadampa school with the Mahamudra and tantric teachings of the Kagyu school. According to Tony Duff, he taught Mahamudra in two approaches, "one is a gradual approach called the Four Yogas of Mahamudra, the other is a sudden approach called Essence Mahamudra." Dagpo Kagyu Lineages Gampopa taught extensively, and attracted many students. He is the source of the major surviving Kagyu sub-schools, all known as the Dagpo Kagyu. Following Gampopa, there evolved the so-called "Four Major and Eight Minor" lineages of the Dagpo (sometimes rendered "Tagpo" or "Dakpo") Kagyu School. This phrase is descriptive of the generation or order in which the schools were founded, not of their importance. The four "major" Kagyu schools were those of: Barom Kagyu founded by Barompa Darma Wangchug (1127-1194?) Phagdru Kagyu founded by Phagmo Drupa Dorje Gyalpo (1110-1170) Karma Kagyu, founded by Düsum Khyenpa, 1st Karmapa Lama (1110-1193) Tsalpa Kagyu founded by Zhang Yudragpa Tsondru Drag (1123-1193) The succession of Gampopa's own monastery passed to his nephew, Dakgom Tsültrim Nyingpo (, 1116-1169). Teachings Gampopa's most famous teaching is known as "The Four Dharmas of Gampopa", this is outlined, for example, in a key text of Gampopa called The Four Dharmas in Brief:"It is necessary for: dharma to turn to dharma; dharma to turn into the path; the path to dispel confusion; and confusion to turn into wisdom"The Four Dharmas in Brief further states about each of the four Dharmas: (1) Dharma to turn to dharma means to meditate on impermanence, the fact that all things will be left behind at death and that only Dharma is of use, all must be renounced except Dharma. (2) Dharma turns into the path is explained as:if there is the rational mind of loving kindness and compassion that cherishes other more than oneself-the fictional enlightenment mind-and then on top of that the understanding that all phenomena, outer and inner, appearing as the coming together of interdependency are illusory, then the primal dharma turns into the path.(3) The Path is to be used to dispel confusion means that "confusion has to be dispelled from top to bottom", Gampopa explains this as follows:First, meditation on impermanence dispels the confusion of clinging to this life, then