Sweyn, King of Denmark, invaded England with his son Canute in 1013 A.D.
Redriff is now called Rotherhithe, south of the Thames.
King Ethelred II., called the Unredig, or lacking in counsel, reigned 979-1013 A.D.
Olave or Olaf and Magnus are Scandinavian names: there were early kings of Norway so called.
The Portreeve: the reeve or governor of London was a chief magistrate or mayor of the City.
The 'Staller' or Marshal led the men of London to battle.
The Knighten Guild was the ruling council of London: they were not chosen by election, but were the chief owners of property, and, like their land, the office was handed down from father to son.
mote: meeting.
hustings: a general meeting of the citizens held every week; later on the word came to mean the platform whence candidates for parliament addressed their constituents.