Earl of Salisbury later by Richard Neville "the Kingmaker", upon whose death the title went into abeyance because multiple individuals were entitled to inherit it. Then, in 1472, it was granted to George, Duke of Clarence, who was married to Warwick's eldest daughter. When the Duke of Clarence was executed in 1478 for treason (supposedly by being drowned in a vat of Malmsey wine), the title was forfeit. It was then granted to Edward of Middleham (who was his nephew via the Duke's brother Richard), who died in 1484 at the age of 11. It was restored to two of George of Clarence's
Asimov's Guide to Shakespeare for doing this. Within each category, the plays are arranged according to internal (historical) chronology, making allowance for the several not based on actual events. Asimov notes how much is real history, and describes who the historical people were, where applicable. He traces those characters who appear in more than one play, and provides maps to explain key geographical elements. Asimov's approach is not popular with some readers' prejudices: "Asimov's Guide to Shakespeare", vols I and II (1970), . Gramercy Books. Nearly 800 pages long plus an index, the work was originally published in two volumes; Greek, Roman and Italian