Complex sentence: The title of valet enabled access to the monarch or other employer, which for some brought entry into the lucrative court business of asking favours for clients and passing messages to the monarch or lord heading the court.
Split into simpler sentences: The title of valet enabled access to the monarch or other employer. For some this brought entry into the lucrative court business of asking favours for on behalf of clients, and passing messages to the monarch or lord heading the court.