Possibly the aunt and uncle of Thomas Minson who he lived with after his father's death.

"Thomas and his sister, Maria, were sent to live with his grandparents and an aunt and uncle.  They owned and conducted the business of iron works.  His grandparents were good people but his aunt and uncle were not married and took little interest in children."

 They likely could be
Mary & Joseph
of Cheltenham.
 Ann Baker’s sister and brother
 Note consecutive #’s on Ann’s picture (#67) and here.