 King Charles II renamed the land west of the Hudson River New Jersey and gave the region between New England and Maryland to his brother , the Duke of York ( later King James II of England ) as a proprietary colony . James II later granted the land between the Hudson River and the Delaware River to two friends who had been loyal to him through the English Civil War : Sir George <unk> and Lord Berkeley of Stratton . This land grant became the Province of New Jersey . 
