The Scots (originally Irish, but by now Scotch) were at this time inhabiting Ireland, having driven the Irish (Picts) out of Scotland; while the Picts (originally Scots) were now Irish (living in brackets) and vice versa. It is essential to keep these distinctions clearly in mind (and verce visa).
Humor, History
Memorable among the Saxon warriors were Hengist and his wife (? or horse), Horsa. Hengist made himself King in the South. Thus Hengist was the first English King and his wife (or horse), Horsa, the first English Queen (or horse).
Humour, History