What is the fine-grained topic of the following text: The name Mustiola (IGT Rosato di Toscana) comes from that of an ancestor of ours, who lived in the 1600s but is also linked to Santa Mustiola, patron of the nearby town of Chiusi and the mustiòlo (Suncus etruscus), animaletto (the smallest existing mammal ) similar to a mouse and typical of our areas. Only return the topic.
The origin and significance of the name Mustiola in relation to a Tuscan wine, a historical figure, a patron saint, and a local mammal.