Looking at the various Sons, i.e. GRIFFITH & BEVAN on the census returns...

e.g.

Albert Edwin GRIFFITHS born 1885 - Westbury on Severn

There is a British Army WW1 Medal Rolls Index Cards 1914-1920

for

Albert E GRIFFITHS - Monmouth R - Rank: Pte . Regimental No. 3158 and also says 226181

Date of Entry therein : 19 May 1915

? is this one of the brothers