Robert D. Suben, 27, killed, after his car, traveling at high speed, leaves Meridian Road in the town of Solon, and crashes into a tree.

The son of the Cortland County district attorney died in a one-vehicle crash in the town of Solon Sunday night.

Robert D. Suben, 27, of Cortland, was speeding on Marathon Road at about 6:23 p.m. Sunday when he lost control on a curve and drove into a tree, state police said.

Suben was declared dead at the scene of the crash. He was the only person in his car, state police said.

An official in the district attorney's office who refused to give her name confirmed that Robert Suben is the son of Cortland County District Attorney Mark Suben.

The district attorney is home on Monday with his family, the official said.