Ussher was a friend and correspondent of Greaves ' oldest brother , John Greaves .
The Bishop of Dromore was Theophilus Buckworth , the brother - in - law of archbishop James Ussher .
archbishop was a archbishop and correspondent of Greaves ' oldest brother , John Greaves .
The Bishop of Dromore was Theophilus Buckworth , the brother - in - law of archbishop James Ussher .