In Philippa Gregory’s The Cousins’ War series, Elizabeth of York falls in love with King Richard III while she is serving as a lady in waiting for Queen Anne Neville. That Richard III intended to marry his brother’s daughter, Elizabeth of York, is a rumour that we can date back to 1483.

Elizabeth of York was queen consort to Henry VII, and to many, she was not just the First Tudor queen, but also the model for all Queens of England.

Sort of. Margaret’s uncle Richard of Gloucester became king in 1483 as Richard III, and reinforced young Margaret and Edward’s exclusion from the line of succession. Did I mention that Richard III is her uncle who had declared his brother’s marriage to Elizabeth Woodville invalid and made all their children (including Elizabeth of York) bastards? Despite the fact that she was Edward IV's queen consort, mother of the missing princes in the tower—Edward, Prince of Wales, and his younger brother Richard, Duke of York… Perkin Warbeck insisted that he was the long lost Richard, Duke of York - one of the Princes in the Tower from years ago. I, as many others question the possibility of Elizabeth being in love with Richard of all people, not only because he’s her uncle (ew!)

His charge was for raising a rebellion in Cornwall against Henry VII, but his reasoning for the uprising was his "claim" to the English throne.

Margaret Pole, Countess of Salisbury (14 August 1473 – 27 May 1541), was an English peeress.She was the daughter of George, Duke of Clarence, the brother of kings Edward IV and Richard III.Margaret was one of two women in 16th-century England to be a peeress in her own right with no titled husband. But Perkin Warbeck was an intriguing and special figure in this early Tudor period. In the 1490s, Elizabeth’s younger brother Richard came back to life!

To clarify, since royals love to use the same few names over and over, Elizabeth's brother's full name was Richard of Shrewsbury, Duke of York.
Richard III (1452-85) was the last Yorkist king of England, whose death at the battle of Bosworth in 1485 signified the end of the Wars of the Roses and marked the start of the Tudor age. – You may ask.

(Edward would have had a better right to the throne as son of Richard’s older brother.)
Margaret’s aunt, Anne Neville, thus became queen. So what?

Did Richard III murder the Princes in the Tower? It made its way into Tudor-era chronicles, ballads and eventually into Shakespeare’s The Tragedy of Richard III. Elizabeth of York was Queen consort of England as spouse of King Henry VII from 1486 until her death on February 11th, 1503. A man named Perkin Warbeck came forth, claiming to be the long-lost Prince Richard and rightful heir to the throne. Richard Cavendish | Published in History Today Volume 53 Issue 2 February 2003 Many myths persist about the last Plantagenet king, whose remains were discovered beneath a Leicester car park in 2012. Edward was the eldest surviving son of Richard, duke of York, by Cicely, daughter of Ralph Neville, earl of Westmorland.His father was descended from two sons of the 14th-century king Edward III and, in the 1450s, led a revolt against Henry VI; in 1460, Richard’s supporters declared him Henry’s successor. Elizabeth of York was blonde and blue-eyed, “the fairest of Edward’s offspring,” says historian Alison Weir in Elizabeth of York, a Tudor Queen and Her World.