The grant followed the partners' negotiation for approximately 145000 acres of land with the Wappinger "native Indian proprietors" of central Dutchess County: Perpuwas, Sasaragua, Makerin, Memram, Shawanachko, Shawasquo, Tounis (son of Shawasquo), Acgans, Nimham, Ouracgacguis, Tagahams, Seeck, Cocewyn, Mamany, Arye (Seeck's Son), Wappenas, Tintgeme, Ayawatask, Nonnaparee, and Kindtquaw.