Notes and Queries (1951) defined marriage as “a union between a man and a woman such that children born to the woman are the recognized legitimate offspring of both partners.
 In recognition of a practice by the Inure of Sudan allowing women to act as a husband in certain circumstances, Kathleen Cough suggested modifying this to “a woman and one or more other persons. “ Edmund Leach criticized Soughs definition for being too restrictive in terms of recognized legitimate offspring and suggested that marriage be viewed In terms of the deferent types of rights It serves to establish.Leach expanded the definition and proposed that “Marriage Is a relationship established between a woman and one or more other persons, which provides that a child born to the woman under circumstances not prohibited by the rules of the relationship, is accorded full birth-status rights common to normal members of his society or social Leach argued that no one definition of marriage applied to all cultures.He offered a list of ten rights associated with marriage, including sexual monopoly and rights with respect to children, with specific rights differing across cultures. Duran Bell also criticized the legitimacy-based definition on the basis that some societies do not require marriage for legitimacy, arguing that in societies where illegitimacy means only that the mother is unmarried and has no other legal Implications, a legitimacy-based definition of marriage Is circular. He proposed defining marriage In terms of sexual access rights.