I'm setting a text with oldstyle figures.
For “branding” purposes, the answer to your question is no. Nor should there be a “reference font” (that’s a new one to us) that “supports all of these formats,” especially given that Japanese, Chinese, Hindi, Hebrew, and Greek, all of which are capitalized proper nouns, constitute languages, not “formats.”
Multilingual typography in the same script is somewhat tricky. Across scripts it is a recipe for disaster without having on board somebody, or a team of somebodies, who are expert and accomplished.
Purely based on what you have shown us here (an ill-written request to solve your problem for you for free), you should recuse yourself from this project before you cause an international incident.
We aren’t talking about them. Please focus on this vertical-market type-design discussion forum and what happens here. If victims of malice say they are victims of malice, believe them, and don’t change the subject or make it seem like some unnamed persons somewhere else are worse off.There are innumerate harmful acts and victims of those acts all over the globe, in all walks of life.