Looking for Green Family

i AM LOOKING FOR ANY DETAILS PLEASE ON THE FOLLOWING FAMILY.

They are Robert Keith Archibald Green/Agnes Marion Green[nee Pettitt]
They had a son named Robert Donald Green who was born in 1895 in Brixton,LOndon.
The son won the military cross in France in 1916.
If its possible i would like to know the fathers occupation please
Also Robert married a lady in 1932 AT BETHNEL GREEN in Middlesex,London
[it is said but not confirmed that Robert Donald had a son named
Peter Robert Casson Green who was born in England [possibly and went to AUSTRALIA
[ nothing has been verified here]