Diana L. Osterbeck (née Seegert) of Hartford, Wisconsin passed away peacefully on July 7, 2025, at the age of 81. She was a longtime resident of Brown Deer and also spent time living in Reedsburg before settling in Hartford.
Diana was preceded in death by her loving husband, Robert; her son, Dean; and her brothers, Arthur and Charles Seegert. She is survived by her sons Jeffrey (Becky) and Timothy (Kelly).
She had a passion for travel, spending many years exploring the country by RV with her husband. In her later years, she found joy in wildlife photography, capturing the beauty of nature through her lens.
Per Diana’s wishes, no services will be held.
Memorial donations in Diana’s name can be made to the Alzheimer’s Association.