- FondsSJLM - The Records of Lady Margaret Beaufort
- Subfonds9 - Extended family, heirs and assigns
- Series4 - John Welles, 1st Viscount Welles
- Subseries1 - Welles family
- Item1 - Marriage bond: Sir Thomas Hoo to Lion [Lionel], lord Welles, on marriage with Lionel's daughter Alanora [Eleanor]
- Item2 - Will of John, Viscount Welles
- Item3 - Remise and quitclaim: Sir Thomas Gypthorpe to John, Viscount Welles, and Cecily his wife
- Item4 - Licence of Bishop Lincoln to Cecily [Cecily of York], Lady Welles, for private masses throughout diocese