Lot, Loth or Lothus is the king of Lothian, the realm of
the Picts in the Arthurian legend.In the 12th century,
Geoffrey of Monmouth adapted the historical king Lot to
Lot, king of Lothian, in his influential chronicle Historia
Regum Britanniae, portraying him as King Arthur's
brother-in-law and ally. In the wake of Geoffrey's
writings, Lot appeared regularly in later romance.
Lot chiefly figures as king of Lothian, but in other
sources he also rules Orkney and sometimes Norway.
He is generally depicted as the husband of Arthur's
sister or half-sister, often known as Anna or Morgause.
The names and number of his children vary depending
on the source, but the later romance tradition gives him
the sons Gawain, Agravain, Gaheris, Gareth, and