MASHANTUCKET, Conn. (AP) — The former chairman of the tribe that runs the Foxwoods Resort Casino is accused along with his treasurer brother of stealing a combined $800,000 from the Mashantucket Pequot Tribal Nation.

Authorities on Friday charged Michael Thomas with stealing $100,000 between 2007 and 2009 during his tenure as the tribe’s chairman. Treasurer Steven Thomas is accused of stealing $700,000 between 2005 and 2008 when he was assistant director of the tribe’s natural resources department.

A spokesman for the tribe did not immediately respond to a request for comment. Phone messages left for the brothers’ attorneys weren’t immediately returned.

The brothers are due in federal court Monday in New Haven to face charges of theft from an Indian tribal organization and theft from an Indian tribal government receiving federal funds.