Possible to list children of given token?

Hey all - I’m looking for some functionality that I feel like must exist somewhere in Vault, but I’m having trouble finding it. Is it possible to either list the children or the parent of a designated token? There’s a token I want to revoke, and normally that would revoke all of its child tokens as well. In theory this token should not have any children, but I’d like to be able to confirm that before revoking it.

I know there’s /auth/token/revoke-orphan which would just orphan any child tokens instead, but I’d prefer to be able to find any present if I can.

I don’t think Vault actually exposes this information in its API, actually :-/