Meaning and sources of family law; (a) Nature of family including the extended family system, (b) the nature and sources of Nigerian family law (c) concepts of gender and sex; contract to marry; capacity to marry;  nature, form and incidence of marriage under customary / Islamic law (d) contract and celebration of marriage , formal and essential validity of statutory marriage essential validity of marriage; celebration of marriage; legal effects, of marriage; status of marriage celebrated abroad; matrimonial causes – nullity and dissolution of marriage; judicial separation; restitution of conjugal rights; jurisdictional issues; double decker marriages