Complex sentence: Shri Samarth Revannath (c.1112 CE), one of the Navnath Parampara (The Nine Teachers) in the Indian Teacher-Disciple tradition, is considered the founder and the first Kaadsiddheshwar.
Split into simpler sentences: Shri Samarth Revannath 1112 AD (approximate date) is a part of the Navnath Parampara (The Nine Teachers), in the Indian Guru-Shishya Parampara (Teacher-Disciple Tradition). He is considered the founder and the first Kaadsiddheshwar.