The soke of Moun with homages, rents, suits, etc., and advowsons of churches pertaining to the said soke as well in the City of London as without in the county of Middlesex. Parties, Richard, Abbot of Westminster, and Robert de Bello Campo. The Mayor and Citizens of London put in their claim 36 H. III. (Cal. L. and M. Ft. of Fines, 1.34).
No later mention.
There seem to have been several of these sokes, or privileged areas, in the City in early days.