Sally Clare Kellerman (June 2, 1937 – February 24, 2022) was an American actress, singer, and author.
Description above from the Wikipedia article Sally Kellerman, licensed under CC-BY-SA, full list of contributors on Wikipedia.
The franchise focuses on the cannibalistic spree killer Leatherface and his family, who terrorize unsuspecting visitors to their territories in the desolate Texas countryside, typically killing and subsequently cooking them.