I agree with your assessment, but my counterpart doesn't.
A counterpart is an opposite number, or an equivalent. She was his counterpart on the opposing team.
The cat's timid nature was the perfect counterpart to the dog's exuberant personality.
The winning coach's tenor was quite different than his counterpart.
I attended the inservice with my counterpart from our Burlington office.
You can use "for your information" at the beginning of a sentence to provide additional information or context that you think the recipient should know. It is a polite way to share information without implying that the recipient asked for it.
He was a notable expert on the works of Shakespeare. There was a notable lack of enthusiasm for the new project.
No, she had no male counterpart.
Her Roman counterpart would be Juno.
Rhea is a Greek goddess and so has no Greek counterpart. Ops/Opis was the Roman counterpart.
The intrusive counterpart of rhyolite is granite.
If it is M. then that is Monsieur; therefore, the counterpart is Mlle.