This appears to be an early English Will and difficult to decipher.
Just to helps things along, whose Will and date is it? John Thathborne?

Surnames mentioned etc. Sometimes these Wills etc are on National Archives and the brief details on the site does help.
On the Forest of Dean website, they have transcribed Gloucestershire Bonds and Licences...
In the early 18th century records, Mangottsfield (sometimes has two 'tt' s...)
One in 1785 and another in 1806 - states, Mangotsfield in the County of Gloucester and Diocese of Bristol).