Mkpuke is an anthropological term that shows familial relationships through motherhood and family lineage traced through marriage and living together in one house or compound. The children from one wife constitute one Mkpuke. In a polygamous family, there will be as many Mkpukes as there are wives. The practice of wife inheritance which was the norm then made it common for some Mkpukes to have rubbery or flexible boundaries and membership.
Today, there are five Okigbo family groups (Mkpuke) which are derived from the direct or inherited wives of Eze Okigbo. In terms of the ages from the oldest member, these five family groups (Mkpuke) are: