Yoshiko was born in Tsuchiura, Ibaragi, Japan, and had lived permanently in Indianola since 1973.

Surviving are her children Mary Blake-Brandt of Indianola, Debbie L'Estrange of Chula, MO., and Bob Blake of Ft. Collins, CO; five grandchildren, Timothy, Kendra, Kacie Blake, J.C. and Samantha L'Estrange; one great-granddaughter, Grace Blake; brother, Tatso and a sister, Humea (Nachan); and several nieces and nephews.