Alaska GOP Rep. Don Young, who was the most senior member of the House, died Friday, according to his office. He was 88.

“It’s with heavy hearts and deep sadness that we announce Congressman Don Young (R-AK), the Dean of the House and revered champion for Alaska, passed away today,” his office said in a statement. “His beloved wife Anne was by his side. Don Young’s legacy as a fighter for the state will live on, as will his fundamental goodness and his honor. We will miss him dearly. His family, his staff, and his many friends ask Alaskans for their prayers during this difficult time.”