What were the dates of all the children, Boo?
Gadget
children
01 Mary Ann, b 1871 Shetland - d 1880 Gateshead
02 Jessie, b 1873 North Leith - d 1873 North Leith
03 John George, b 1875 Conside & Knitsley, Durham, d 1949 Lewisham
04 Rebekah, b 1877 Gateshead, d 1880 Gateshead
05 Peter, b 1879 Gateshead, d 1880 Gateshead
06 James Arthur, b 1881 Gateshead, d
1880 EDIT 1957 Gateshead
07 Margaret, b 1883 Gateshead, d 1981, Coquitlam, BC, Canada
08 Albert b 1885 Gateshead, d 1976, Throckley, Northumberland
09 Agnes Jane, b 1887 Gateshead d 1890 Gateshead
Hence, given the dates I believe only the children marked in bold can possibly be the ones on both photos.
Boo