Alternative successions of the English and British crown of the "Clarence" claim also draw on the debated validity of Edward IV's marriage to Elizabeth Woodville, which allows them to argue that, even if Edward was legitimate, his children were not. Another point is that Henry VI passed a law in 1470 that should both he and his son Edward of Westminster die without further legitimate issue, the crown was to pass to "Clarence", as Henry had placed an attainder upon Edward IV. When Henry died in 1471 (Prince Edward having died in battle shortly before), "Clarence" (who could claim descent from John of Gaunt, as could his wife
Black Death in England to recover, since it disproportionately affected infants and young men. This was also the case with the next occurrence, in 1369, where the death rate was around 10−15 percent. Over the following decades the plague would return on a national or a regional level at intervals of five to 12 years, with gradually dwindling death tolls. Then, in the decades from 1430 to 1480, the disease returned in force. An outbreak in 1471 took as much as 10–15 percent of the population, while the death rate of the plague of 1479–80 could have been as high as 20 percent. From