Rosemary Duncan Obituary

It is with deep sorrow that we announce the death of Rosemary Duncan of Parker, Colorado, who passed away on May 10, 2025, at the age of 87, leaving to mourn family and friends. You can send your sympathy in the guestbook provided and share it with the family.

She was predeceased by: her parent Anna Bieker; her husband Ron; her daughter Deanine; and her siblings, Frank Bieker, Oliver Bieker, Agnes Gross, Leila Knotts, Carol Bieker and Anne Hirsh.

She is survived by: her daughters, Joy Martinez (Steve) of Parker, CO and Tammy Haley (Rod) of Augusta, KS; her grandchildren, Steven Martinez, Jessica Wilterding, David Duncan and Drew Hallaux; her great grandchild Natalie Wilterding; and her sisters-in-law, Sharon Johnson and Deb Davis.

In lieu of Flowers, please consider donating to a Charity or Foundation, such as The American Cancer Society or The Parkinson Foundation.