Who is the offspring of XXX?
Charles Wykeham Martin
Charles Wykeham Martin is the grandfather of Fiennes Cornwallis, 1st Baron Cornwallis, the great-grandfather of Wykeham Cornwallis, 2nd Baron Cornwallis, and the great-great grandfather of Fiennes Neil Wykeham Cornwallis, 3rd Baron Cornwallis.
Fiennes Cornwallis