The Titles of Earl of Strathmore and Kinghorn 1821: Minutes of Evidence regarding a Petition of the Rt Hon thomas Bowes to His Majesty, claiming the Titles and of the Petition of John Bowes, an infant, claiming the same Titles. Thomas Bowes-Lyon 1773-1846, 3rd son of the 10th Earl. John Bowes was the illegitimate son of the 9th Earl. A bitter court case followed, and Thomas was declared the 11th Earl and was an ancestor of our new King, Charles III