John Davy had a daughter Elizabeth and a son John by his wife Mary Ann Allen. He remarried Margaret Fletcher and had no children. His son John moved to US married Elizabeth Palmer had William deceased as infant, John Vanburn, James Andrew, Amy, Mary Elizabeth. John V married Mary Thompson had Lois Elizabeth (my grandmother). Sir Humphrey had no children, his sister Elizabeth married Henry Hamlin, Mary did not marry, Grace married John Hockins. By the way Dr. John Davy's father was Robert married Grace Millett, his grandfather was John who married Mary Oppie daughter of Henry Oppie who married Grace Tucker. There is also Edmond Davy in the 1500's whose son was father of John who married Oppie. Hope some of this helps.