Complex sentence: The family is responsible for protecting "nagamanikyam" (a jewel on the serpent's head), which lies in a secret place in the house guarded by snakes, including a tiny snake called Kunjootan.
Split into simpler sentences: The family is responsible for protecting "nagamanikyam" (a jewel on the serpent's head). The jewel, she narrates, lies in a secret place in the house guarded by snakes, including a tiny snake called Kunjootan.