Donna L. "Butterfly" Grenko

Donna L. “Butterfly” Grenko, age 70, of Troy, passed away on Wednesday, July 1, 2026, at Troy Rehabilitation and Healthcare Center. She was born or April 7, 1956, in Japan, to the late Marvin and Edna (Eldridge) Cox.

Donna is survived by one son: Doug Clark of West Milton, OH; one daughter: Christina Smith of Sturgis, MI; siblings: Kathy Trader of New Lebanon, OH, Charlotte Current of Piqua, OH, Marvin “Gene” (Ann) Cox of Troy and Kenneth (Patricia) Cox of Wapakoneta; grandchildren: David Smith of Sturgis, MI; Sueanna Smith of Union, OH, Tiffany Swank and Maylanna Craun both of Piqua, OH and great grandson: Bentley William James Stefanko. In addition to her parents, she was preceded in death by her grandparents: Marcus and Anna Margurite Mauer; and sister: Toni Strange.

Donna had an affinity for witches and butterflies.

No public services will be held. Condolences may be expressed to the family at www.bairdfuneralhome.com.