 The Assateague and Nentigo made a number of treaties with the colony of Maryland, but the land was gradually taken and those treaties dissolved for the use of the colonists, and the native peoples of the peninsula assimilated into other Algonquian tribes as far north as Ontario.Currently, the peninsula is within the traditional and unceded territory of the Piscataway, Nentego, and Lenape peoples.In 1566, an expedition sent from Spanish Florida by Pedro Menéndez de Avilés reached the Delmarva Peninsula.