I have just had a look at familysearch and they have Richard James' parents as Richard William Peter James Ludlow and Elizabeth Lily Gray.
Remember Lily is often a derivative of Elizabeth.
This is the death notice/obituary of Ellen Mary WRIGHT.
She was born in Sydney with (EDIT) parents Richard and Elizabeth in 1866 (*921)
https://trove.nla.gov.au/newspaper/article/96562548? She had an illegimate daughter, Beatrice A (who married in Tenterfield.)
LUDLOW Beatrice A
35059/1892
Mother ELLEN M
At TENTERFIELD
Ellen married
7693/1898
WRIGHT Alfred
LUDLOW Ellen M
At DRAKE
Ellen died
WRIGHT Ellen Mary
24451/1951
Parents Richard & Elizabeth
At LISMORE
Her death notice mentions a surviving brother in QLD whose death you can find.
James Albert LUDLOW. His parents are Richard and Elizabeth GREY (sic)
These names fit the family of eight children.
Sue