... The ancestor of this Smith family was John Smith, a native of England, whence he emigrated to this country, and settled in what is now Calvert County, Md., between 1660 and 1666. He was the owner of a plantation that was known as "Brooke's Adventure." He was married to Dorothy Brooke, a daughter of the Rev. Robert Brooke, a minister of the Episcopal Church, then residing in Calvert County. Robert Brooke had grant of "Dela Brooke Manor," 2,000 acres on Patuxent River. ...