I think I have found them all and that this is the marriage:
2254/1897 ROSS Alexander to CARMICHAEL Helen
Son of Alexander:
1318/1900 ROSS John A parents Alexander and Ellen BALMAIN SOUTH
Married:
1551/1930 ROSS John A to CHEYNE Gladys R BALMAIN NORTH
Deaths:
13641/1974 ROSS Gladys Rose parents Alec and Alice
ROSS Gladys Rose Death notice 29AUG1974 Death 71 late of Drummoyne, formerly of Balmain Sydney Morning Herald 30AUG197
22729/1988 ROSS John Archibald parents Alexander and Helen
ROSS John Archibald Death notice 3SEP1988 Death 88 late of Hornsby, formerly of Balmain and Drummoyne Sydney Morning Herald 5SEP1988
Military record:
ROSS JOHN ARCHIBALD : Service Number - N76401 : Date of birth - 07 Feb 1900 : Place of birth - SYDNEY NSW : Place of enlistment - SYDNEY NSW : Next of Kin - ROSS GLADYS
This may be the daughter’s birth:
799/1893 CARMICHAEL Nellie mother Ellen SYDNEY
She married twice:
8491/1912 WRIGHT Josiah C to ROSS Nellie
or
8467/1915 WRIGHT Bertram M E to ROSS Ellen
Death:
15755/1921 WRIGHT Bertram M E parents Radford G and Harriett S SYDNEY
17957/1933 LOWE Walter J to WRIGHT Helen PETERSHAM
Alexander’s wife Ellen born 1868 and died 1921:
16764/1868 CARMICHAEL Ellen parents Marmaduke and Elizabeth TAMWORTH
10340/1921 ROSS Ellen parents Marmaduke and Elizabeth REDFERN
Funeral notice, 1st column:
http://nla.gov.au/nla.news-article15952173Rookwood Presbyterian 6D_Zone A/#/11134
ROSS Ellen
Date of Burial: 27 JUL 1921
Age: 52
ROSS Alexander
Date of Burial: 15 MAY 1942
Age: 73
I have added to reply #1
Jamjar