HK wedding, possibly 1940

Can anyone identify the couple and the guests at this wedding?

The photo comes from my cousin in Canada, and has a lot of recognisable but mainly unidentified faces from other pics (including other families' pics) on Gwulo.

For our part, second bridesmaid from left is Elena Laihovetsky age 19 - mother of said Canadian/Australian cousin -  and the only bridesmaid visible on the right is my mother, Alvena Laihovetsky age 21.

Here's another view of the couple:

HK wedding, possibly 1940, by agwellstead@gmail.com

 

The taller boy front left in the main photo might just be Reg Martin, born HK 1930, son of Henry "Sonny" Martin and Zena Laihovetsky. I am not sure it is him, so include a couple of him in Sydney after evacuation aged about 12 for comparison.

Reg Martin age 12 with baby Geoff Wellstead, Sydney 1943, by agwellstead@gmail.com
Reg Martin age 12 with baby Geoff Wellstead, Sydney 1943, by agwellstead@gmail.com
Date picture taken
1940 (year is approximate)
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