Sandy Onken Obituary
It is with great sadness that we announce the death of Sandy Onken (Thornton, Colorado), who passed away on February 20, 2024, at the age of 76, leaving to mourn family and friends. Leave a sympathy message to the family on the memorial page of Sandy Onken to pay them a last tribute.
She was predeceased by: her parents, Richard Grenfell and Virginia Grenfell. She is survived by: her husband Mike Onken; and her sisters, Patty Willis (Ralph), Linda Davis and Crawford.
In lieu of flowers, donations can be made in Sandy's honor to the Humane Society or the American Heart Association.
