Question: Which 1985 novel was set in medieval England and featured four distinct royal houses?
Sentence (from "House of Plantagenet"): The name Plantagenet is used by modern historians to identify four distinct royal houses – the Angevins who were also Counts of Anjou, the main body of the Plantagenets following the loss of Anjou, and the houses of Lancaster and York, the Plantagenets' two cadet branches.
Relevant evidence: No