Frank Mc.ister was the brother of Peter and Rob Mc.ister, husband of Leslie Mc.ister, paternal uncle of Kevin and his siblings, and the father of Tracy, Rod, Sondra,, and Fuller Mc.ister. While preparing to leave for the family 's vacation to Paris, Frank did not . - You likely think of Uncle Frank from "Home Alone" as nothing but a throwaway member of the extended family, but what if he was far more . - MOVIE URBAN LEGEND: Uncle Frank was originally going to be the villain in Home Alone. 1990 's Home Alone, written by John Hughes and .Bringing the big screen to life with description andysis of Uncle Frank Gerry Bamman in Home Alone..