Complex sentence: The primary signatories of the treaty were subsequently assassinated by Pin Cherokee also known formally as the Keetowah Soceity, formed by a Christian missionary and controlled by John Ridge Principle Chief of the Cherokee Nation.
Split into simpler sentences: The primary signatories of the treaty were subsequently assassinated by Pin Cherokee also known formally as the Keetowah Soceity. A secret organization formed by a Christian missionary, and controlled by John Ridge Principle Chief of the Cherokee Nation.