Born in Tampa, Florida January 4, 1933 to parents Allan Farris Metts and Ida Carmen Dull. She married William S. Gunn in June 1954 and had three children: Jeffrey A. Gunn (Penny), Susan L. Burris (Jim), and Karen L. Demirpolat (Sulu).
She married John H. Apetz in August 1975 who had three daughters: Michelle Bouvier, Darcy Dipetrillo, and Melissa Zimmerlee.
She lived in Miami, Coral Gables, Pompano, Boca Raton, Clermont, Indialantic and Stuart, Florida.
Diana had 7 grandchildren: Jason Mentler (Manu), Evan Gunn (Zoe), Megan Björklund (Thomas), Jordan Gunn (Kelli), Kelsey Demirpolat, Devin Demirpolat, and Ayla Demirpolat. Diana also had 10 great grandchildren: Cecilia Björklund, Lyla Gunn, Skyler Mentler, Avery Björklund, Julian Gunn, Jameson Björklund, Francesca Mentler, Gwyneth Gunn, Kennedy Mentler, and Grayson Gunn. She also had a bonus great grandson, Austin.
Diana loved to oil paint, sculpture clay, art shows, the beach, daily walks, a good book and the idea of gardening.