- FondsSJLM - The Records of Lady Margaret Beaufort
- Subfonds9 - Extended family, heirs and assigns
- Series4 - John Welles, 1st Viscount Welles
- Subseries2 - Estates held by John Welles
- Sub-sub-series6 - Other manors in Lincolnshire: including Easton, Beelsby, and Trusthorpe
- Item2 - Grant: Robert, son of Hugo the chaplain of Easton, to William, son of Lambert de Weston of Holland, land of Eston and pasture above Radefordeslate
- Item3 - Grant: Al[an?], son of Count Henry, to Ranulfus de Katebi [Cadeby], the meadow held by Ranulfus' father in the manor of Belesbi [Beelsby] and another meadow in the manor of Fenebi