dauphiness

noun

Etymology: From dauphin + -ess.

Synonym of dauphine.
“As dauphin and dauphiness they naturally had a great following, and as king and queen their taste was paramount, and the style became established.”
“After gaining his confidence by her sincerity and trustworthiness, and making herself indispensable to him, she succeeded in bringing about the desired separation, through the medium of the dauphiness, whom she won over to her cause.”