Hi Glouster Girl,
Isabelle was my great Grandmother, Francois (Frank) Gow was my grandfather, and my father was born and grew up in Singapore and Malaya (he is the 3rd of 4 siblings - 2 boys, 2 girls, and 3 of them have had children now living in Australia, Singapore and Germany).
You can find my grandparent's (Frank and Aldyth) wedding photo online in the Straits Times in a previous post (c1933) My father told me Alexander Gow died during the war when the Japanese bombed Singapore, and his house was bombed. His grave was recently moved due to a shopping centre being built on the old cemetery site. Frank went missing during the bombing of Singapore during WW2, and my grandmother and the children were interred in Sime Road camp by the Japanese. Frank was found by the Red Cross and reunited with the family at the end of the war. I believe Alexander had something to do with the construction of the Jahor causeway earlier in the century (pre-war). I am afraid don't know much about his wife Isabelle, and what happened to her at this time. I do recall being told she was French, and Richard and Alexander seem to be important family names for the first born sons in our family. Often the family members go by their second given name, which can confuse research a bit.
Most of the Gow family left Singapore in the mid 60's and moved to New Zealand and Australia (Perth). Both Frank and Aldyth past away in Perth, Australia - Frank was c 80yo, and I think Aldyth was 90 yo.
Jorose (previous post) - mentions my father who was the son born in 1938, and interned in Sime Road.
Remaining family in Singapore: My uncle returned to live in Kuala Lumpur, and married with one child, and my brother moved to Singapore a few years back with 2 children (great-great grand children of Isabelle and Alexander)
Would love to learn more about the French connection if you have these infos.