Malia White is mourning a devastating loss.

The Below Deck Med star shared her brother Jay has died at the age of 34, noting that his passing came after a struggle with addiction.

"To everyone who knew our brother Jay, it's with a heavy heart we announce the sad news of his death," she wrote in an Oct. 10 Instagram post showcasing photos of him. "Thursday, October 5th Jayseph (34) passed away in the middle of the night after a battle with addiction. His death is a devastating loss for our family and his friends, but we are grateful for the time we had with him."

The Bravo star went on to detail the memories shared with her brother.

"Jay was happiest outdoors, especially with a fishing pole in his hand alongside a riverbank with his dog Aspen," she wrote. "To those who had the pleasure of knowing Jay, he was truly a kind soul, willing to help anyone at a moment's notice. This is how we'll always remember him."