Open to anyone with links to Guam and the Northern Mariana Islands. Objectives are: to Identify geographic and ethnic origins of ancestors of project participants; Investigate migration patterns of ancestors of project participants; Identify familial relationships of project participants. In addition, current Special Objectives are: to verify the lineage of individuals who are descendents of residents of the islands prior to 1898 and to verify the lineage of the Leon-Guerrero, Torre, Ada and Fejeran clans.