Robert Poyntz (died 1520) daughter and only child of Anthony Woodville, 2nd Earl Rivers (c. 1440-1483), Knight of the Garter (brother of Queen Elizabeth Woodville who married King Edward IV), by his mistress Gwenlina Stradling, a daughter of William Stradling of St Donat's Castle in Glamorgan, Wales. The Heraldic Visitation of Gloucestershire records that:<br> By his wife he had five sons and four daughters including: In about 1520, at the end of his life, he built a fine chantry chapel as an addition to the Gaunt's Chapel in Bristol (today known as St Mark's Church, Bristol), to the east end of the south aisle,
Catherine Woodville, Duchess of Buckingham was married to Henry Stafford, 2nd Duke of Buckingham; both were still children. A contemporary description of Elizabeth Woodville's coronation relates that Catherine and her husband were carried on squires' shoulders due to their youth. According to Dominic Mancini, Buckingham resented his marriage to a woman of inferior birth. However, the couple had four children: In 1483, Buckingham first allied himself to Richard, Duke of Gloucester, helping him succeed to the throne as Richard III, and then to Henry Tudor, leading an unsuccessful rebellion in his name. Buckingham was executed for treason on 2 November 1483. After Richard III was