by Michael X. Sommers and Melissa Hutchison respectively. Marty Jr. and Marlene McFly Marty Jr. and Marlene McFly (both portrayed by Michael J. Fox) are Marty McFly and Jennifer Parker's future son and daughter in 2015 in Part II. Originally, 17-year-old Marty Jr. was to be arrested and sentenced to fifteen years in prison for joining a robbery initiated by Griff and his gang. Marlene attempted to help Marty Jr. break out of jail but failed and was sentenced to twenty years in a woman's prison. Doc and Marty prevented the event from ever happening. Baines family Sam Baines Sam Baines was the husband of Stella Baines and the father of six children, including Lorraine, Milton, Toby, Joey, Sally, and Ellen Baines. He is the father-in-law of George McFly and the maternal grandfather of Marty, David, and Linda McFly. Stella Baines Stella Baines (portrayed by Frances Lee McCain) was the wife of Sam Baines and the mother of six children, including Lorraine, Milton, Toby, Joey, Sally, and Ellen Baines. She is the mother-in-law of George McFly and the maternal grandmother of Marty, David, and Linda McFly. Milton Baines Milton Samuel Baines (portrayed by Jason Hervey) is the second child of Sam and Stella Baines, the brother of Lorraine, Sally, Toby, Joey, and Ellen Baines, the brother-in-law of George McFly, and the uncle of David, Linda, and Marty McFly. He was 12 years old in 1955. In 1955, Milton liked to wear a coonskin cap, a fad inspired by the Davy Crockett film and television show, which Stella took off his head twice while Marty was eating dinner with the family, putting it back on both times. Sally Baines Sally Flora Baines (portrayed by Maia Brewton) was the third child of Sam and Stella Baines, the sister of Lorraine, Milton, Toby, Joey, and Ellen Baines, the sister-in-law of George McFly, and the aunt of David, Linda, and Marty McFly. Born in 1949, she was present when Marty McFly in 1955 had dinner with her family, but did not speak. Toby Baines Toby Baines was the fourth child of Sam and Stella Baines, the brother of Lorraine, Milton, Sally, Joey, and Ellen Baines, the brother-in-law of George McFly, and the uncle of David, Linda, and Marty McFly. He was born in 1951. On November 5, 1955, he sat at the dinner table with his family and Marty McFly, whom his father had