On Baldwin's death his son and heir William FitzBaldwin made a gift of the manors of Cowick and Exwick, both in the parish of St Thomas, to the Benedictine Abbey of Bec-Hellouin in Normandy.
[4] In St Michael's Church in Spreyton survives a lengthy Latin inscription carved into the timbers of the chancel roof, erected by Henry le Mayne, the last vicar presented by the prior and convent of Cowick, who held the advowson, instituted 23 August 1451.
Pray for their souls").Within the Priory Church was buried on 5 February 1341Hugh de Courtenay, 9th Earl of Devon (1276-23 December 1340), feudal baron of Okehampton.
Following the seizure of the throne from Henry VI by Edward IV in 1461, the new king removed Cowick Priory from the possession of Eton and re-granted it in 1463/4 to Tavistock Abbey.
Tavistock Abbey however maintained that the priory had held conventual status and ought to be served by "religious men yf eny coude be founde" and in 1478 it secured confirmation of the king's earlier grant to it.
The priory building was rebuilt by Lord Russell in the 1540s, possibly as a residence for the bailiff of his vast Devon estates granted to him by the king, consisting chiefly of the lands of Tavistock Abbey.
Some period plaster reliefs also survive, one showing a nun caring for some children and another of a long-haired maiden, both standing on the head of an obese friar.
White continued to make an annual payment to charity and gave 30 shillings to maintain a schoolmistress to instruct in reading four poor children of the parish of St Thomas.
Cowick is bounded by the Exeter districts of St Thomas to the east and Exwick to the north, and the villages of Pocombe Bridge to the west and Ide, Devon to the south.