Who took the oath of allegiance and was considered to be the Old Pretender?
Security of the Sovereign Act:  The Act required all civil and military officers; members of colleges; teachers; preachers; and lawyers to take the oaths of allegiance and supremacy and of abjuration of the Pretender. James Francis Edward Stuart: James Francis Edward, Prince of Wales (10 June 1688 – 1 January 1766), nicknamed the Old Pretender, was the son of King James II and VII, the monarch of the three kingdoms of England, Scotland and Ireland, and his second wife Mary of Modena.
Prince of Wales