Original: In turn, the Dagpo Kagyu consists of four major sub-sects: the Karma Kagyu, headed by a Karmapa, the Tsalpa Kagyu, the Barom Kagyu, and Pagtru Kagyu.
Simplified: Kagyu, Oral Lineage, has one major subsect (Dagpo Kagyu) and one minor subsect (Shangpa Kagyu).