Extract the answer to the question from the following context. Question: Which of the three people mentioned in not related to either of the other two? Context: According to this narrative, shortly after the birth of young prince Gautama, an astrologer named Asita visited the young prince's father, Suddhodana, and prophesied that Siddhartha would either become a great king or renounce the material world to become a holy man, depending on whether he saw what life was like outside the palace walls.
Asita