- Born on February 23, 1612 in London
- Deceased on December 6, 1637 in Leconfield, at the age of 25 years
Parents
- William Cecil (1591 - 1668), Earl of Salisbury, member of parliament, privy counsellor
- Catherine Howard (1588 - 1672)
Family
- Married in 1628, with Algernon Percy (1602 - 1668), Earl of Northumberland, lord high admiral, lord high constable, issuing
- Elizabeth (1636 - 1717)