First-time filmmaker Cecilia Aldarondo’s “Memories of a Penitent Heart” is many things. It’s a love story and a family history. It’s an investigative report and a warning. But first and foremost it is the story of Miguel Dieppa, Aldarondo’s uncle.The life and family legacy of Miguel Dieppa (right) is the subject of “Memories of a Penitent Heart.” His partner of more than 10 years, Robert, is on the left. Photo courtesy of Blackscrackle Films LLC.Conflicting forces were at play in Miguel’s life.