Thanks for the interesting reply. I would like to try to identify your grandfathers three cousins. I know of five Aldersons connected with Shildon who died in WW1. To sort out which might have been his cousins, I need to identify your grandfather. The cousins might not all have the name Alderson. But I have some data on non-Aldersons and it will be interesting to try.
If you want me to have a go at this, please email me directly at: firstname.lastname@example.org with any data you have that will let me identify you grandfather - date of birth (even approximate), parents (even just first names) would be a great help.
I have found a George Alderson christened 14 Dec 1910 in Shildon, the son of Joseph Henry and Clara. Is this the right one?