As of 2017 the title is held by her son the 27th Baron who succeeded his mother in 1983 .
Her son the 27th Baron is the first man to hold the title in over three - quarters of a century .
As of 2017 the title is held by her son the 27th Baron , the first man to hold the title in over three - quarters of a century , who succeeded his mother in 1983 .