A Mass of Christian Burial will be held at noon Monday at St. Elizabeth Ann Seton Catholic Church, with the Rev. Paul Demuth officiating.
Visitation will be at the church from 10 a.m. Monday until the Mass.
Blaney Funeral Home in Green Bay is assisting the family. Condolences may be offered online at www.BlaneyFuneralHome.com.
Mr. Ryskoski was born October 9, 1936, in Stevens Point, a son of the late Vincent and Florence (Craig) Ryskoski.
He was married to Patricia Ann Fields in 1958 at St. Leonard Catholic Church in Laona.
He began teaching and coaching sports in Madison. They moved to Green Bay, in 1968, continuing his teaching and coaching career within the Green Bay Public School system until retiring in 1997.
Survivors include his wife; two sons, Randy (Mary), Germantown, and Jay (Lisa), Waconia, Minn.; one daughter, Tammy (Mike) Michalske, Wausau; two brothers, Norm (Jan), Green Bay, and Bob (Carol), Sheboygan; one sister, Claudine Gotter, Eau Claire; his stepmother, Olive Ryskoski-Hintz, Stevens Point; and 10 grandchildren.
He was also preceded in death by two brothers, Harold and Carl.