Illinois Congressman Sean Casten is mourning the loss of his 17-year-old daughter, GwenHe died this week.

“This morning, Congressman Casten’s beloved daughter, Gwen (17), passed away,” the congressman’s office confirmed on Twitter June 13. “The Casten family asks for privacy. We will not be issuing any further comments during this difficult time.”

Other details, such as her cause of death and other facts, surrounding this tragedy have not been revealed.

Gwen graduated from Downers Grove North High School in May and planned to attend University of Vermont in the fall to study environmental science, according to her Instagram page. After the sad news about her passing, Gwen’s Empowerment club at Downers Grove North High School, which she started and led, said that they “cherished her.”

The club posted on Instagram, “There are no words to begin to express the grief we feel.” Her incredible influence on our community will never fade. She was loved and much appreciated. Gwen, we are grateful for your positive influence on our lives. It was clear that you were a formidable force. “We will remember you.