In previous episodes The Other Woman and The Garden State, Vic makes a big deal about how important it is for Val to meet his family because of how close they are. In the series finale, none of his family are present at the wedding despite two whole episodes about how important his family is to him.
Throughout the series viewers are told how close Vic is to his family and we are introduced to his overbearing mother and 3 of his 5 brothers, however, none of them come to his wedding in the series finale.