A dotty aunt?
A part of the description of the movie says, "...mom who moves her kids from NYC to the country home she inherited from her dotty aunt."
I watched the film for the first time earlier last week and I saw a discrepancy in it.
According to the show, the aunt's father is the mother's great uncle -- Impossible.
If the dotty aunt was in deed the aunt, then the aunt's father would have to have been the grandfather to the mother. (Not the great uncle.)
For someone to be a great uncle, the great uncle must be the brother to the grandfather or to the grandmother; therefore the dotty aunt in the show had to have been a second cousin to the mother.