Josiah and Charity Chivers also had a son called John (1781) (my G4-grandfather) - among their 10 children including George identified here.
John also moved to the Forest - shown as a miner in the 1841 census and subsequently as a blacksmith.
Josiah (c1760) had a brother called John, born c1780 and their father was also John (c1731) but I'm still not sure where the link is to the other Chivers in this thread.

-Colin