Mervyn_Niall_Wingfield,_10th_Viscount_Powerscourt
Mervyn Niall Wingfield (3 September 1935- 25 July 2015) was the 10th Viscount Powerscourt, and also Baron Powerscourt, of Powerscourt in the County of Wicklow, in the Peerage of the United Kingdom, succeeding his father April 3, 1973. He died in 2015 in Thailand.