Noel was the third son of Sir Gerard Noel, 2nd Baronet, and Diana, Baroness Barham, daughter of Admiral Charles Middleton, 1st Baron Barham. Charles Noel, 1st Earl of Gainsborough, was his elder brother. Wikipedia*
On the C-SPAN Networks:
William Noel has one video in the C-SPAN Video Library; the first appearance was a 2007 Interview.