Question: What is the date of birth of Prince René Of Bourbon-Parma's mother?
Sentence (from "Princess Carolina, Marchioness of Sala"): Princess Maria" Carolina" Christina of Bourbon- Parma, Marchioness of Sala( born 23 June 1974), is the fourth and youngest child of Princess Irene of the Netherlands and Carlos Hugo, Duke of Parma, and is a member of the Royal and Ducal House of Bourbon- Parma, as well as of the Dutch Royal Family.
Relevant evidence: No