Who took the oath of allegiance and was considered to be the Old Pretender?
Security of the Sovereign Act The Security of the Sovereign Act (1 Geo. I. St. 2, c. 13.) was a 1714 Act of the Parliament of the United Kingdom. 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.
Malcolm III of Scotland Malcolm III (Gaelic: "Máel Coluim"; c. 26 March 1031 – 13 November 1093) was King of Scots from 1058 to 1093. He was later nicknamed "Canmore" ("ceann mòr", Gaelic for "Great Chief": "ceann" denotes "leader", "head" (of state) and "mòr" denotes "pre-eminent", "great", and "big"). Malcolm's long reign of 35 years preceded the beginning of the Scoto-Norman age.