Elizabeth Stafford, Countess of Sussex paternal aunt was Margaret Dayrell who was wife to James Tuchet, 7th Baron Audley. Her maternal uncles included (among others) Anthony Woodville, 2nd Earl Rivers, Richard Woodville, 3rd Earl Rivers and Lionel Woodville, Bishop of Salisbury. Her aunts included Elizabeth Woodville and Mary Woodville, married respectively to Edward IV of England and William Herbert, 2nd Earl of Pembroke. Her first cousins included (among others) John Tuchet, 8th Baron Audley, Thomas Grey, 1st Marquess of Dorset, Richard Grey, Elizabeth of York, Mary of York, Cecily of York, Edward V of England, Margaret of York, Richard of Shrewsbury, 1st Duke of York,
Elizabeth Stafford, Countess of Sussex is unknown, and a younger son, Sir John Radcliffe (1539 – 9 November 1568). Robert Radcliffe, 1st Earl of Sussex, died 27 November 1542. His widow, Mary, subsequently married, in 1545, as his second wife, Henry FitzAlan, Earl of Arundel (died 24 February 1580). Elizabeth Stafford, Countess of Sussex Elizabeth Stafford (c. 1479 – 11 May 1532) was an English noblewoman. Elizabeth Stafford was the daughter of Henry Stafford, 2nd Duke of Buckingham, and Lady Katherine Woodville, the daughter of Richard Woodville, 1st Earl Rivers, by Jacquetta of Luxembourg, daughter of Pierre de Luxembourg, Count of St. Pol, and was