Have you seen this record at The National Archives?
https://discovery.nationalarchives.gov.uk/details/r/C5920214It includes "Anthony Gell of Middleton, yeoman, aged 60", and "Thomas Gell of Middleton, miner, aged 32"
Also:
https://discovery.nationalarchives.gov.uk/details/r/C5917014"Documents: depositions concerning Wirksworth, Derbyshire.
Taken 28 January, 42 Eliz." (1600)
It mentions "Mr Anthony Gell" , and in the sentence before 'Raphe Bell", which I'm thinking is perhaps Gell instead of Bell. These depositions are all transcriptions on TNA.
https://discovery.nationalarchives.gov.uk/details/r/C5915688"Plaintiffs: Anthony Gell.
Defendants: William Blackwall and John Ashenhurst.
Documents: depositions concerning landownership and rents, Wirksworth, Derbyshire.
Taken 21 March, 22 Eliz." 1580.
Several that name John Gell in the mid 1600s.
They would give you some background.
Search on The NAtional Archives Discovery page for "Gell" and 'Hannah Robb" for these documents.
Hundreds of depositions concerning mining in Derbyshire.
I only looked quickly. They deserve a more thorough viewing if you haven't come across them.
I presume you have seen all the documents on Discovery about the GEll family of Hopton?
There are thousands!
Just putting in "Anthony Gell" AND Middleton in the 1500s:
This one mentions Anthony Gell 1582.
https://discovery.nationalarchives.gov.uk/details/r/83c54df0-659b-4000-8cac-721a11f60e26ANd this one in 1578
https://discovery.nationalarchives.gov.uk/details/r/543b344a-70b0-4a7b-ba8e-33bad084bcd5