It was founded in 1136 by Miles de Gloucester, 1st Earl of Hereford, a great magnate based in the west of England and the Welsh Marches, hereditary Constable of England and Sheriff of Gloucestershire (who resided at Gloucester Castle), as a secondary house and refuge for the canons of Llanthony Priory in the Vale of Ewyas, within his Lordship of Brecknock in what is now Monmouthshire, Wales.
[1] The surviving remains of the Priory were designated as Grade I listed in 1952[2] and the wider site is a scheduled ancient monument.
[3] In 2013 the Llanthony Secunda Priory Trust received funds for restoration work[4] which was completed in August 2018 when it re-opened to the public.
[8] In 1530 the prior of Llanthony at Gloucester sent "cheese, carp and baked lampreys" to King Henry VIII at Windsor.
The true origins of Humpty Dumpty are unknown but the idea that it refers to the Royalist cannon during the Siege of Gloucester is often cited as fact.