Kostner (Krause), Janet J. Age 74, of Mukwonago, WI (formally of Inver Grove Heights, MN), went to be with the Lord on Sunday, May 31, 2020 after losing a longtime battle with breast cancer. A celebration of Jan's life will be held at 12:00PM on Saturday, June 13, 2020 at First Baptist Church of Watertown with Rev. Shane Walker presiding. Visitation will be on Saturday from 10:00AM until the time of service at the church. The celebration of Jan will continue in the Twin Cites at a later date. Olsen-Gibson Funeral Home of Jefferson is serving the family. Condolences: olsen-gibson.com