 She notes that all Gurus of Sikhs married within their "Zat", and they did not condemn or break with the convention of endogamous marriages for their own children or Sikhs in general.Caste system in Jainism has existed for centuries, primarily in terms of endogamy, although, per Paul Dundas, in modern times the system does not play a significant role.This is contradicted by Carrithers and Humphreys who describe the major Jain castes in Rajasthan with their social rank.