How did extended family ties connect Samoan villages?

In traditional Samoan society, extended blood ties—known as the aiga—served as the fundamental framework for connecting family groups and villages. These connections were organized through a system of descent lines, where groups of people traced their lineage back to a common mythical ancestor.1234

These kinship ties linked individuals and families across different locations, as members of a single descent line were often spread throughout multiple villages in a given area. This structure was integral to local governance: each aiga designated at least one matai (chief) to represent them, and these matai formed village councils to administer local affairs. Within these councils, the various descent lines were represented, allowing the lineages to participate in village decision-making.413

While these ties provided a cohesive social structure, they also fostered competition; major families frequently leveraged their status and genealogical connections to strive for supremacy, which historically led to periods of conflict between groups.3