Prior to European contact, Haudenosaunee were horticulturists living in stockaded villages of several hundred people, year-round. Social structure was matrilineal, with female members and their husbands living together in a single longhouse and marriage between clan members forbidden. Matrilineal clans were of symbolic and ceremonial importance. Each founding member was represented by an 8-14 person delegation. Clan mothers supervised the chief's operations and appointed his successor upon his death. Haudenosaunee were able to successfully subjugate or disperse neighbouring groups, including the Huron-Wendat, Petun, Neutral and Erie. They maintained French trading and military alliances, and some converted to Catholicism. Rivalry between New France, Dutch and English, at Albany prevented lasting peace.