Jane Avis (Tessmer) Hannemann

February 29, 1944 ~ May 26, 2021 (age 77)


Jane Avis Hannemann, 77 (19 Leap Year Birthdays), Kronenwetter, died Wednesday, May 26, 2021 at her home.

Jane was born February 29, 1944 in Wausau to the late Ervin and Avis (Lembert) Tessmer.  Following her graduation from Wausau High School; she married the love of her life, Lwellyn “Sonny” Hannemann on June 30, 1962.  The couple was blessed with one daughter, Jeanette.  Over the years, Jane worked for Kraft, Wausau Insurance, Fiskars and Kolbe & Kolbe.  Jane and Sonny celebrated 19 years together before his death on March 17, 1985.

Jane was a very warm and welcoming woman who had a very strong work ethic and dearly loved her family.  As Jeanette was growing up, she was always very supportive and reassuring Jeanette that she could do anything she wanted to do with her life and was very proud of all of Jeanette’s accomplishments.  Jane adored her grandsons and they were the “joys of her life”.  She enjoyed camping and fishing with them; teaching the boys how to fillet a fish and row the boat.

Jane is survived by her loving daughter, Jeanette (Jeff) Stankowski of Marathon; grandchildren, Jeffrey (Jo) Railsback of Virginia, Cody (Monica) Stankowski of Mosinee and Dylan (Star) Stankowski of Wausau; great-grandchildren, Colton and Ava; brothers, Jeff (Chris) Tessmer and Glenn (Debra) Tessmer; brother-in-law, Tom Hoffman Sr., and extended family and friends.  She is preceded in death by her brother, James Tessmer and sister, Janet Hoffman.

A private family service will be held at a later date.  Helke Funeral Home is assisting the family with the arrangements; you may sign our family guestbook at

Sincere appreciation goes to her wonderful friends and neighbors for their kindness and compassion over the years.

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