Adam Harrison, one of the sons of “Pawn Stars” creator and co-star Rick Harrison, has died. He was 39.

Harrison PR rep Laura Herlovich confirmed Adam Harrison’s death was from an overdose, and he was discovered Friday.

Herlovich issued a statement on behalf of the family:

“Our family is extremely saddened by the death of Adam. We ask for privacy as we grieve his loss.”

Rick Harrison posted a photo of the two on Instagram, writing, “You will always be in my heart. I love you Adam.”

No other details have been provided. TMZ was first to report the younger Harrison’s death.

Adam Harrison was not a figure on the History hit series, which premiered in 2009 and also stars Harrison’s oldest son, 40-year-old Corey Harrison. Adam Harrison reportedly worked at Gold & Silver Pawn for a time but has not recently been employed there, according to reports.

Rick Harrison had two sons with his first wife, Kim, Corey and Adam. He has a son, Jake, with his second wife, Tracy. He has three daughters, Sarina, Ciana and Marissa.