Under which Roman Emperor's effective conquest of Britain was it possible that Jews visited Scotland?
History of the Jews in Scotland The earliest date at which Jews arrived in Scotland is not known. It is possible that Jews visited Scotland at the time of the Roman Empire's conquest of southern Britain, but there are no records of this. The earliest concrete historical references to Jews in Scotland are from the late 17th century. The vast majority of Scottish Jews today are Ashkenazi who mainly settled in Edinburgh, then in Glasgow in the mid 19th century. Most histories of Jews in Scotland deal with the subject from a British perspective, thus tending to marginalise any distinctly Scottish dimension.
Constantine III of Scotland Constantine, son of Cuilén (Mediaeval Gaelic: "Causantín mac Cuiléin"; Modern Gaelic: "Còiseam mac Chailein"), known in most modern regnal lists as Constantine III, (born c. 970–997) was king of Scots from 995 to 997. He was the son of Cuilén, King of Scotland (Cuilén mac Iduilb). John of Fordun calls him, in Latin, Constantinus Calvus,