Basing on the archeological finds we attempted to show in this issue the time of generic, the forms and speccififiications the Mongolian family. In the 3 rd millenium B.C. T`he monogamian family was denerated with in the Grand Family. About 1 st millenium B.C. the Small Family was originated from the Grand family and then the Latter began to breaking up since the XIII-XIV century in Mongolia and since the XIX century in Buriad Mongolia. Nowaday everywhere in Mongolia the separate small families have been prevailing. The Grand family is named variously in Mongolia, Buriad mongolia, Yakut (Saka) and Korea bit its structure and activities are similar. It is the tradition to respect the Grand family. Usually the Grand family called the $quot;Right family$quot;. The Grand family is the basis of the family education system. However the small families are separated from the Grand ones, up to now the Grand families still been the education centre.