In accordance with the fosterage customs of the Scottish clans, Allan Breck Stewart and his brothers grew up under the care of their relative James Stewart (known as "James of the Glen") in Appin. Allan then enlisted in the British Army of George II in 1745, just before the Jacobite rising of that year. He fought at the Battle of Prestonpans, but deserted to the Highland Jacobites. He subsequently fought for the Jacobites, but after they were defeated at the Battle of Culloden he fled to
Caledonia Skytower, live in voice.