The answer
If all those accounts derive from the same compatible recovery seed, the backup may restore the keys for several chains; apps must support each chain and derivation.
What to do next
Record which wallet format and supported chains apply without exposing the secret.
Trezor hardware wallets
Hardware wallet related to device/backup security; not a guarantee of recovery or anonymity. Availability, supported assets and local eligibility must be checked before signing up or buying.
Visit Trezor hardware wallets ↗Official provider link · Compare suitability and availability before choosing.