Sir William Willoughby
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- 1 Sir William Willoughby [1]
- Lucy Strange
- 2 Thomas Willoughby [1.1]
- Joan Fitzalan Arundell
- 3 Robert Willoughby [1.1.1]
- Cecily DeWelles
- 4 Christopher Willoughby [1.1.1.1]
[ =>]
- 4 Christopher Willoughby [1.1.1.1]
- 3 Robert Willoughby [1.1.1]
- 2 Thomas Willoughby [1.1]