Margaret Stanley, Countess of Derby

Lady Margaret Clifford
Countess of Derby
Possibly portrait by Hans Eworth thought to be either Lady Margaret or her mother, Lady Eleanor Brandon, 1565/1568
Born	1540 Kingdom of England
Died	28 September 1596 (aged 55–56)
Noble family	Clifford
Spouse(s)	Henry Stanley, 4th Earl of Derby ​ ​ (m. 1555; died 1593)​
Issue	Frances Le Strange Edward Stanley Ferdinando Stanley, 5th Earl of Derby William Stanley, 6th Earl of Derby
Father	Henry Clifford, 2nd Earl of Cumberland
Mother	Lady Eleanor Brandon

Margaret Stanley, Countess of Derby (née Lady Margaret Clifford; 1540 – 28 September 1596) was the only surviving daughter of Henry Clifford, 2nd Earl of Cumberland and Lady Eleanor Brandon. Her maternal grandparents were Charles Brandon, 1st Duke of Suffolk and Mary Tudor, Queen of France. Mary was the third daughter of King Henry VII of England and Elizabeth of York.