Joan V. "Granny" Strunk Osterman, 79, of Ironwood, passed away Wednesday, Aug. 24, 2011, at Ministry St. Clare's Hospital in Weston, surrounded by her family.      The former Joan Hanisko was born May 3, 1932, in Ironwood, daughter of the late Julius and Frances (Muckavitz) Hanisko.      She married Willie Strunk in 1948. He preceded her in death in 1979.      She then married Martin Osterman Sr. in 1981. He preceded her in death in 2005.      Joan worked for Macgregor/Brunswick for over 25 years in Cincinnati, Ohio. She was also employed at Ironwood Products and Rigoni's Bakery for several years, and retired from her office manager position at Art Unlimited in 1993. She loved her job at the Ironwood St. Vincent DePaul store. Her main love was her family, especially the grandchildren and great-grandchildren.      Joan was a member of Our Lady of Peace Catholic Church in Ironwood.      Surviving are a daughter, Carol, and son, Marty Osterman, both of Ironwood; step-children, Joe (Donna) Osterman, Iron Belt, Wis., Paul (Tana) Osterman, Hurley, Marge Negri, Marquette, Mich., and Mary Nelson, Wausau, Wis.; twelve grandchildren, Kevin (Cindy) Negri, Tim (Janelle) Negri, Carrie Negri, Bill (Nikki) Osterman, Joe (Kathy) Osterman, Jim (Amber) Osterman, Shannon Osterman (David Stephani), David (Carrie) Osterman, Eric Golembeski, Brian (Roxanne) Osterman, and Hunter and Seth Osterman; 15 great-grandchildren, Hannah and Mason Negri, Claire, Brandon and Taylor Woodward, Emily and Gabriella Osterman, Kelsea and Cayden Osterman, Kyle and Mackenzie Osterman-Seeley, Casandra Wiedbrauk, Autumn Osterman, and Adam and Austin Golembeski; sisters, Sharon (Butch) Barto, Hartland, Wis., Justine (Bob) Genisot, Montreal, Wis., and Diane (Tom) Yelich and Eda (Tom) McGrath, both of Ironwood; a brother, Brother Paul Hanisko CAP, Detroit; step-sister, Pauline Aho, Gwinn; sisters-in-law, Georgia Tucker, Crossville, Tenn., Rose Bray, Ironwood, and Rachel Hanisko, Gile, Wis.; and numerous nieces and nephews.      Besides her parents and husbands, she was preceded in death by her step-father, James Brack;  brother, Albert Hanisko;  two sisters, Frances Connor and Celina Goyins; and step-sister, Eleanor Lavin.      Out of respect for Joan's wishes, cremation has taken place.      A Mass of Christian Burial will be celebrated Wednesday, Aug 31, at noon, at Our Lady of Peace Catholic Church in Ironwood, preceded by visitation beginning at 11 a.m. in the St. Joseph Family Room, with the Rev. Darryl J. Pepin, celebrant.      Rite of Committal and inurnment will follow in Riverside Cemetery, Ironwood.      Luncheon will be served in the parish hall immediately upon return from the cemetery.      All of Joan's grandsons will serve as honorary pallbearers.      To view Joan's obituary online, sign her guestbook or express condolences, visit mckevittpatrickfuneralhome.com.      Arrangements are entrusted to McKevitt-Patrick Funeral Home and Cremation Services of Ironwood.