Do they look to older or younger than Ethel and Sid?
In the other thread, someone suggested that Syd married an Ann OUNSWORTH.
I find these two children (apparently born in Lancs)
Births Mar 1913
HALL Ethel A (Ounsworth) Prestwich 8d 537
Births Jun 1915
HALL Sylvia E (Ounsworth) Bucklow 8a 310