 Boyle Roche was born , the youngest of three sons , to Jordan Roche and Ellen White in County Galway in 1736 . His was an old and respectable Protestant family , said to be a junior branch of the ancient baronial house of Roche , Viscount Fermoy from which Diana , Princess of Wales , descended . The family were also no strangers to politics : Roche 's great @-@ grandfather had been elected mayor of Limerick four times . Roche 's older brother was Tiger Roche , a celebrated duellist and adventurer . 
