[1] He was born in Edinburgh on 8 February 1816 the son of Major David Robertson, of the Royal Marines living at Albanty Row.
Training as a soldier he first joined the British Auxiliary Legion in Spain in 1834.
[4] In 1846 he transferred to the 8th Regiment rising to Lt Colonel by 1865 and then rosing to the rank of General.
He retired to Edinburgh living at 86 Great King Street in the Second New town.
His proposers were David Stevenson, Charles Piazzi Smyth, William Robertson and John Muir.