The governor of Guam confirmed to Newstalk K57 that former senator Joe. T. San Agustin died Thursday morning.
His son is current senator Joe S. San Agustin.
A Democrat, San Agustin was first elected senator in 1976.
Over the years, he was re-elected 9 times afterwards, beginning his final term in 1994.
He also served as speaker for 20th 21st and 22nd Guam Legislatures, as well as chairman of the retirement fund.