A homeless man found dead on Thursday, Dec. 27, in Wyoming was a potential heir to the Huguette Clark fortune worth an estimated $300 million.

Sixty-year-old Timothy Henry Gray was found under a Union Pacific Railroad overpass in the town of Evanston by a group of children sledding in the snow.

Gray was identified as the half great-nephew of a deceased recluse Clark, who died in May 2011 at age 104, according to The Daily Mail. This was potentially enough of a family link to have made Gray eligible for all or a portion of her multi-million dollar fortune.

Investigators determined that Gray's cause of death hypothermia. The homeless man was found not dressed warmly for the 10 degree temperature that struck the small mining town on Thursday. No foul play is expected by authorities in the man's death.

It is unknown if Gray was living under the overpass that is frequented by transients. The deceased man's family had no contact with Gray since his mother died around 22 years ago and he is believed to have been homeless for at least a few years.

The fortune was established by former U.S. Senator William Andrews Clark. A banker and railroad builder, the senator was considered to be one of Montana's copper kings and the founder of Las Vegas. His daughter Huguette spent most of her life as a recluse in New York before her death.

Several family members have recently come forward with a lawsuit seeking to claim an inheritance portion by challenging the heiress' will. A public administrator searched for Gray to bring him into the case, but private investigators were unable to find the homeless heir.

Gray allegedly still had access to money from an unused cashier's check from 2003 for a "significant amount" of money that was found in his pocket by authorities at the time of his death, according to NBC News.