Choiseul Province for the island are Choiseul and Lauru. San Marcos is not commonly used at this present day. Choiseul Province was initially not part of the British Solomon Islands. Like Buka, Bougainville (both now part of Papua New Guinea's North Solomons Province), Santa Isabel, and the Ontong Islands, it was part of the German Solomon Islands in 1884. Fifteen years later, in 1899, Germany ceded Choiseul, Isabel and Ontong Java to the British to become part of the British Solomon Islands. In 1900, Charles Woodford, the Resident Commissioner for the Solomon Islands sailed to Choiseul via Isabel on a ship named
Malaita Kwaio and 'Are'are regions, which may be a dialect of Kwaio. Sa'a, spoken on South Malaita, is also a member of the family. Mutual intelligibility is also aided by the large degree of trade and intermarriage among the groups. The peoples of Malaita share many aspects of their culture, although they are generally divided into ethnic groups along linguistic lines. In pre-colonial times, settlements were small and moved frequently. Both agnatic descent (patrilineal lines from a founding ancestor) and cognatic descent (through links of outmarrying women) are important. These lineages determine rights of residence and land use in a complex