The Arizal identifies the soul roots of various biblical figures and historical sages, tracing how their spiritual essence moved through different bodies across generations. Where to Read Online
Before discussing reincarnation, the text establishes that a single person can host multiple levels of soul. A Gilgul may involve only the Nefesh (lowest soul-level) of a previous person, while their Ruach and Neshamah go elsewhere.
In Shaar Hagilgulim, Rabbi Chaim Vital elaborates on the various aspects of reincarnation, including: