Nicholas Barnewall 3rd Viscount Barnewall, Irish nobleman (1668-1725) (1668–1725) Parents Lady Mary Nugent Henry Barnewall, 2nd Viscount Barnewall of Kingsland Children George Barnewall Henry Benedict Barnewall, 4th Viscount Barnewall of Kingsland Frances Barnewall Siblings Mary Barnewall Henry Barnewall Mabel Barnewall Marianna Barnewall Partners Mary Hamilton