Background
He was the second son of William Plunket, 1st Baron Plunket, and Catherine MacAusland.
He was the second son of William Plunket, 1st Baron Plunket, and Catherine MacAusland.
Children of John Spanish Plunket, 3rd Baron Plunket of Newton
Most Review William Conyngham Plunket, 4th Baron Plunket of Newton, Archbishop of Dublin (26 August 1828 – 1 April 1897)
Honorary Katherine Frances Plunket (d 25 August 1881), who married Sir John Joscelyn Coghill, 4th Baronet.
Honorary
Charlotte Plunket (d 30 May 1918), who married Thomas Barton
Honorary Louisa Plunket, who married Richard Greene (son of Richard Wilson Greene)
David Robert Plunket, 1st and last Baron Rathmore (3 December 1838 – 22 August 1919)
Honorary Arthur Cecil Crampton Plunket (11 May 1845 – 21 October 1884), m.
10 September 1870, Louisa Frances (née Hewitt).