Gene Simmons, another founding member of Kiss, attributed Frehley's death to "bad decisions" and his refusal to accept help from loved ones.
The Morris County Medical Examiner's Office ruled Frehley's death an accident, detailing facial fractures and bruising.
Frehley's family released a statement cherishing his memory and acknowledging the "epic proportions" of his passing.
Surviving Kiss members, including Paul Stanley, paid tribute to Frehley at a recent show, highlighting his foundational role in the band despite past differences.