| 1. | Margaret Willoughby was born in 1560 in England; died on 17 Aug 1597 in Great Brington, Daventry District, Northamptonshire, England; was buried in Great Brington, Daventry District, Northamptonshire, England. Family/Spouse: Robert Spencer, 1st Baron Spencer of Wormleighton. Robert (son of Sir John Spencer and Mary Catlyn) was born in 1570 in Althrop House, Northamptonshire, England; died on 25 Oct 1627. [Group Sheet] [Family Chart]
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| 2. | William Spencer, 2nd Baron Spencer of Wormleighton Family/Spouse: Lady Penelope Wriothesley. [Group Sheet] [Family Chart]
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| 3. | Henry Spencer, 1st Earl of Sunderland Family/Spouse: Lady Dorothy Sidney, 1st Countess of Sunderland. Lady was born on 5 Oct 1617; died on 5 Feb 1684. [Group Sheet] [Family Chart]
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| 4. | Robert Spencer, 2nd Earl of Sunderland Family/Spouse: Lady Anne Digby, 2nd Countess of Sunderland. Lady was born in c. 1646; died on 26 Apr 1715. [Group Sheet] [Family Chart]
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