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
Thomas Parr (d.1461) her was grandfather of Queen Catherine, wife of Henry VIII; his second son, Sir John Parr was made sheriff of Westmorland for life in 1462. His third son, Thomas, was killed at the Battle of Barnet in 1471. His daughters all married members of prominent northern families. Mabel married Humphrey Dacre, 1st Baron Dacre; thus becoming the first female Parr to marry into the peerage and be given a title. The accession of the Yorkist King Edward IV in 1461 had saved most of Sir Thomas's estates from confiscation. Through his son William, the family continued in favour with the