Evie,
Following on from the line above ,John Thomas/Ralph/John
John's father IS Ralph b 1801 Stanhope wife Jane and Ralph's father MAYBE
John Foster who married Sarah Martindale 1801 Stanhope, (this is circumstantial, have not got a direct connection)
Have not got a wedding for Ralph B1801 and Jane, their 1st child Adalina born abt 1823 at South Church or West Auckland, according to census
Brian