Pictured from left, three generations of mothers and grandmothers: Concetta Sorce Cefalu, Anna Cefalu Megna, holding grandson Karl Mario Dunst, and Anne Megna Dunst. Filmmaker Gretchen Becker is the grand-daughter of Anne Dunst. Becker’s film “Finding Grandma,” which will screen at the Malibu International Film Festival this weekend, is a tribute to her mother and grandmother. Photo courtesy of Gretchen Becker