In 1917 he was involved in a breakaway movement from the club that switched to rugby league, playing matches against Ponsonby United and the City Rovers.
Ponsonby | Ponsonby, New Zealand | William Ponsonby, 1st Baron Ponsonby | Frederick Ponsonby, 6th Earl of Bessborough | William Ponsonby | Vere Ponsonby, 9th Earl of Bessborough | Frederick Ponsonby, 10th Earl of Bessborough | Frederick Ponsonby | William Ponsonby (general) | The name of this cafe, ''Dorothy's Sister'', in Ponsonby, New Zealand | Sir Charles Ponsonby, 1st Baronet | Ponsonby Ponies | Playing the Ponies | Bernard Ponsonby | Arthur Ponsonby, 11th Earl of Bessborough | William Ponsonby, 2nd Earl of Bessborough | William Ponsonby, 1st Baron de Mauley | Rupert Ponsonby, 7th Baron de Mauley | Henry Ponsonby | Frederick Cavendish Ponsonby | A view of the Ponsonby-Fane family home, Brympton d'Evercy |
He was sibbling to Bruce Robertson who also represented New Zealand, and uncle to Wayne Robertson who starred for the Ponsonby Ponies and was a New Zealand, Auckland and Brisbane representative player in the 1970s.