Son of Sir Helenus Robert Robertson who was born in Greenock and lived at Bagatelle. His father built the Tontine Hotel and Robertson Street is named after him.The family moved to Liverpool where Sir Helenus was Chairman of Liverpool Dock Board
Helenus Macaulay Robertson
- Died: 26th February, 1916
- Rank: Captain
- Regiment: Royal Welch Fusiliers
- Unit: 2nd Battalion
- Cemetery: Cambrin Churchyard Extension, France