... My grandfather, Captain John Hazard, was about fifty years old at the time of his marriage to my grandmother, Miss Leupp, of New Jersey, who died soon after, leaving an only child, my mother. A few years later he married Lydia Blackwell at her home on Blackwell's Island, which her father, Jacob Blackwell, had inherited from his father, Jacob Blackwell, the son of Robert Blackwell, who was the progenitor of the family in this country and gave his name to the island upon which he resided. ...