Analysis of information sources in references of the Wikipedia article "Clements Markham" in English language version.
He was the son of William Markham, of Becca Hall, Aberford, and the grandson of Dr. William Markham, who was Archbishop of York from 1777 to 1807.
It may be mentioned that Dr. Markham, the late Archbishop, was private tutor to both King George IV. and King William IV. ; hence the interest taken by His Majesty in the grandson of his old tutor, to whom he invariably showed great friendship.