Kelly and Horn were married for 20 years, the statement said. He passed away Friday at the age of 68.
"My husband was a remarkable man," Kelly said in the statement. "He was a loving father, a compassionate husband, an incredible friend, and a great doctor that touched the lives of many people in a positive way."
Details on Horn's cause of death have not yet been shared.
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He is survived by his wife, two daughters, two stepchildren and two grandchildren. The family has asked for privacy as they mourn his death.