In this:
La femme de Jean-Pierre s'appelle Élisabeth. Elle a 39 ans. Elle est enfant unique. Elle a une fille Sandrine (16 ans) de son premier mariage.
How is Sandrine related to Jean-Pierre and Élisabeth?
To determine how Sandrine is related to Jean-Pierre and Élisabeth, we need to understand the provided information. In the given text, it is mentioned that the woman's name is Élisabeth, and she is Jean-Pierre's wife. Additionally, it states that Élisabeth has a daughter named Sandrine from her previous marriage.
Based on this information, Sandrine is Élisabeth's daughter, making her the stepdaughter of Jean-Pierre.