Two of William Samuel Liston BOULTON's sons served in WW2.
John Armstrong BOULTON and Joseph Armstrong BOULTON. Joseph was decorated with the DFC(Distinquished Flying Cross) and has a digitised record on the National Archives(type in his name into the search panel).Joseph died in South Australia and his death is recorded on Centennial Park Cemetery website(which is on - line),it looks as if he married sometime after the war,as there are two people with the same suburb and ages are fairly close).It may pay to look at his death and or funeral notice at your closest library to see what family are mentioned.
John Armstrong BOULTON is recorded on the Ryerson Index,with his place of abode as Sussex Inlet,published in the Milton- Ulladulla Times(South Coast,NSW newspaper). John appears to have his remains interred next to Edith Esther BOULTON at Shoalhaven Crematorium(which is on - line,google Shoalhaven Bereavement Services,and you will be able to search for John and Edith's details).
16669/1940 BOULTON JOHN ARMSTRONG married DOBSON EDITH ESTHERat ROCKDALE,Sydney,NSW.