Iona Timmerman (Johnston) was born on June 18, 1928 in Detroit, Michigan. She passed away on December 11, 2020 at the age of 92 in Howell, Michigan. Iona is survived by Son, Henry (Karen) Walbrow III; Sister, Virgie Irene (late Milton) Mack; and Great-granddaughter, Janelle Warblow. She is preceded in death by Husband, Rudy Timmerman, Brother, Leroy Johnston, Grandson, Henry Albert Warblow, IV, and Granddaughter, Kelly Warblow.