Cigna Global
With 86 million customer relationships in over 200 countries, Cigna Global has unrivalled experience in dealing with varied and unique medical situations and delivering high standards of service wherever you live in the world.
Aetna
Aetna International, offering comprehensive global medical coverage, has a network of 1.3 million medical providers worldwide. You will have the flexibility to choose from six areas of coverage, including worldwide, multiple levels of benefits to choose from, plus various optional benefits to meet your needs.
Moving Internationally?
Sirelo has a network of more than 500 international removal companies that can move your furniture and possessions to your new home. By filling in a form, you’ll get up to 5 quotes from recommended movers. This service is free of charge and will help you select an international moving company that suits your needs and budget.
As far as I can tell, the only CBSE school in Bangkok is the Global Indian International School, which has a number of campuses worldwide. If attending this school, it should be possible for your sons to continue/complete their education in Bangkok.
M
If you're looking at international schools in Bangkok there's a really good list here with reviews from parents: https://www.ischooladvisor.com/city/Bangkok
There are a lot of international schools in Bangkok so worth doing your homework as they're not all as good as they might claim!