Claude George Bowes-Lyon is my 14th cousin 4x removed. The grandparent, we share is William de Beauchamp, my 17 great grandfather. Claude George Bowes-Lyon, 14th and 1st Earl of Strathmore and Kinghorne, KG, KT, GCVO, TD (14 March 1855 – 7 November 1944), styled as Lord Glamis from 1865 to 1904, has been a British peer and landowner who was the father of Queen Elizabeth The Queen Mother and the maternal grandfather of Queen Elizabeth II.

From 1937 that he was known as 14th and 1st Earl of Strathmore and Kinghorne, while he was the 14th Earl within the peerage of Scotland but the 1st Earl within the peerage of the United Kingdom

Author Resource Box:
https://en.wikipedia.org/wiki/Claude_Bowes-Lyon,_14th_Earl_of_Strathmore_and_Kinghorne