Elizabeth Cecil, 16th Baroness de Ros

Lady Elizabeth Manners, 16th Baroness de Ros of Helmsley (c. January 1574/1575 – 19 May 1591) was the daughter and heir of Edward Manners, 3rd Earl of Rutland. On her father's death the Earldom of Rutland devolved upon his brother, the Barony of Ros passed to his daughter, Elizabeth.
In January 1589 she married at Newark Castle William Cecil, Lord Burghley, son of Thomas Cecil, 1st Earl of Exeter and Dorothy Neville, daughter of John Nevill, 4th Baron Latimer. Lord Burghley later succeeded as 2nd Earl. She died in childbirth, in London, at Tower Street, All Hallows, Barking and was buried in Westminster Abbey. She was succeeded in the Barony of Ros by her son, William.
Their child was:
Sir William Cecil, 17th Baron de Ros