Anne St Leger, Baroness de Ros it coincided with her mother's death. A greatly desirable bride since her birth, Anne was contracted to marry Lord Ferrers of Groby. He was the eldest son of Thomas Grey, 1st Marquess of Dorset, who had been married to her older half-sister and whose mother was her aunt, King Edward IV's wife Elizabeth Woodville. Queen Elizabeth was determined to secure the Exeter inheritance for her descendants by her first marriage, and in 1483, St Leger was declared heiress to the entire estate of her father by an Act of Parliament. The arrangement, detrimental to the interests of the surviving descendants
Elizabeth of York December 1483, in the cathedral of Rennes, Henry Tudor swore an oath promising to marry her and began planning an invasion. In 1484, Elizabeth of York and her sisters left Westminster Abbey and returned to court when Elizabeth Woodville was apparently reconciled with Richard III, which may – or may not – suggest that Elizabeth Woodville believed Richard III to be innocent of any possible role in the murder of her two sons (although this is unlikely owing to her involvement in Henry Tudor's failed invasion of October 1483). It was rumoured that Richard III intended to marry Elizabeth of