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(詳細はsystem of terms and relationships used to define family in Omaha tribal culture. Identified by Lewis Henry Morgan in his 1871 work ''Systems of Consanguinity and Affinity of the Human Family'', the Omaha system is one of the six major kinship systems (Eskimo, Hawaiian, Iroquois, Crow, Omaha, and Sudanese) which he identified internationally. ==Kinship system== In function, the system is extremely similar to the Crow system. But, whereas Crow groups are matrilineal, Omaha descent groups are characteristically patrilineal. In this system, relatives are sorted according to their descent and their gender. Ego's father and his brothers are merged and addressed by a single term, and a similar pattern is seen for Ego's mother and her sisters. (Marriages take place among people of different ''gentes'' or clans in the tribe.) Like most other kinship systems, Omaha kinship distinguishes between Parallel and Cross cousins. While Parallel cousins are merged by term and addressed the same as Ego's siblings, Cross cousins are differentiated by generational divisions. On the maternal side, Cross cousins are raised a generation (making them Ego's Mother's Brother and Ego's Mother), while those on the paternal side are lowered a generation (making them the generational equivalent of Ego's Children's). The system is similar to that of Iroquois kinship. It uses Bifurcate merging, but only the Iroquois system uses BM as a label. In addition, Iroquois kinship is a matrilineal system. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Omaha kinship」の詳細全文を読む スポンサード リンク
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