Ngai Tahu Whanui claims most of the South Island as its takiwa (territory) and is one of the largest Maori iwi (tribe) of Aotearoa New Zealand. In 1996 Ngai Tahu Whanui became the first tribal group to have its identity recognised in legislation. The basis for membership in the legal-political identity, Ngai Tahu Whanui, is registration of whakapapa (genealogy) to a South Island kaumatua (elder) listed in the 'Blue Book', a list compiled in negotiation with the Crown in 1925. I argue that the management of whakapapa by the contemporary leadership Te Runanga 0 Ngai Tahu - constitutes the adhesive that holds together the individual members, who have historically been geographically, politically and culturally dispersed. This management ...