Francine Cousteau (née Triplet) is the president of the non-profit organization Cousteau Society, and is the widow of oceanographer Jacques-Yves Cousteau. She is the mother of Jacques Cousteau's third and fourth children, Diane and Pierre-Yves. After Jacques Cousteau's death, Francine became involved in legal battles with family members regarding her husband's financial and spiritual legacies, as well as the salvage and use of RV Calypso.