(Since there was a similar story about Picot, sheriff of Cambridgeshire, and his foundation of St Giles, later Barnwell Priory, this may be just a trope.
In or around 1098, Christina of Markyate’s mother was sitting looking out at the priory; a dove flew from it and landed on her sleeve - and so she knew her daughter to be blessed.
[6] Henry I confirmed the priory's lands and gifts; his wife, Matilda of Scotland was one of the drivers behind the Augustinian movement in England and Wales.
[7][8] The Priory had about 16 canons, and held a good number of lands and churches; its wealth was partly spent on hospitality.
The 12 canons were devout enough to pay a massive fine to stop it being suppressed in 1536 (being a monastery under £200), but this, in the end, only gave them two years extra in the house.