|J. Carlton Ellsworth|
J. Carlton Ellsworth was the second husband of Mrs. Brown Ellsworth and the stepfather of Emmett Brown.
At some point prior to 1968, Judge Erhardt Brown passed away, and Sarah met and later married Carlton, who was from the wealthiest family on the western coast of the United States.
After Carlton died in 1972, Sarah moved back to Hill Valley where Emmett helped her move into her new house.