Janet Kostner Obituary
It is with great sadness that we announce the death of Janet Kostner of Mukwonago, Wisconsin, who passed away on May 31, 2020, at the age of 74, leaving to mourn family and friends. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
She was predeceased by: her parents, Arnold Krause and Frances Krause (Krueger); her nephew David Krause; and her granddaughter Addy May Sieberer. She is survived by: her husband Bill Kostner; her daughters, Julie VanDixhorn (Tom) of Libertyville, IL and Katie Sieberer (Andy) of Elkhorn; her grandchildren, Jake, Bailey, Abby, Drew and Camryn; her brother Al Krause (Jan) of Watertown; and her niece Jackie Krause Johnson.
Memorials in Jan's name can be made to St. Jude's Children's Hospital, American Cancer Society or the Mayo Clinic Cancer Center, and can be sent through the family.
