After their daughter's famous exploits in 1429, the family was granted noble status by Charles VII in December of that year.

She petitioned Pope Nicholas V to reopen the court case that had convicted Joan of heresy, and then, in her seventies, addressed the opening session of the appellate trial at Notre Dame cathedral in Paris.

[2] Isabelle Romée gave her daughter a religious, Catholic upbringing and taught her the craft of spinning wool.

[4] On 7 November 1455, after the reign of Pope Callixtus III had begun, Isabelle traveled to Paris to visit the delegation from the Holy See.

It began, "I had a daughter, born in legitimate marriage, whom I fortified worthily with the sacraments of baptism and confirmation and raised in the fear of God and respect for the tradition of the Church," and ended, "…without any aid given to her innocence in a perfidious, violent, and iniquitous trial, without a shadow of right… they condemned her in a damnable and criminal fashion and made her die most cruelly by fire.