We’re in our 70s and have nobody to be our trustee after we die. How do we find someone who is up to the job?

“We were both previously married and each have an adult child, but neither one is capable of doing the job.”

We’re in our 70s and have nobody to be our trustee after we die. How do we find someone who is up to the job?
“We were both previously married and each have an adult child, but neither one is capable of doing the job.”