In considering the mother of Joy, you give this -
"...may beatrice or beatrice may moule lattimer/lattimore, born 1887 sandhurst victoria "
"..was she adopted by the woman who was know as her mother"
Is this woman the same May Beatrice LATTIMER / LATTIMORE, and you doubt that she really is the mother of Joy...….
Or is there a second woman, so far unnamed by you, and believed to be the birth mother of Joy?
What names do you see for witnesses on the marriage certificate, 1936, WA?
The woman who is stated as the mother of Joy Lattimer/Lattimore MOULE/BERG on the trove notices was May Beatrice LATTIMORE/BERG/MOULE.
eg
On July 29, 1944, at Kalgoorlie, Elizabeth, widow of the late Frank Lattimore; beloved mother of Frank, May, Stanley and Roy; mother-in-law of Martin and Eileen and grandmother of Joy and Tom; aged 80 years.Joy was told she was adopted and I have discovered that a second child Thomas Bruce BERG (Born 22 December 1926 was also adopted by Msay. A Birth certificate can also not be found for him.
Questions to be answered::
1) Is May the mother of one or both of the two children (Joy and Thomas) who hid this due to the perceived stigma(Joy swas born before May's first marriage, Thomas was born after the first marraige but before the second at a time it appears May may have been estranged.
2) Are Thomas and Joy brother and sister despite age difference (10 years)
3) Were both Joy and Thomas adopted at the same time or was it two actions by Joy.
And ultimately
Who were the parents of Joy and Thomas
There were no witnesses listed on the marriage certificate.
The marriage was at the Churches of Christ Kalgoorlie
I am trying to get access to the registers, I have spoken to a local historian without success.
3