The close-knit Real World family is still shaken by the death of Ryan Knight. The 28-year-old was found dead at a home early Thursday morning. His cause of death is still unknown.

Knight reportedly died following a night of partying on Wednesday. Sources told TMZ that he choked on his own vomit. The site was also told that Knight took “some pills” during the night, but did not have further details.

The Kenosha, Wisconsin police department said that an autopsy was performed on Friday morning, but the there is no official cause of death yet. Toxicology results will be released later. Police also said that Knight was complaining of “stomach issues” for the past two days before his death.

Members of the Real World family have continued to share tributes to the 2010 New Orleans cast member.

“We are saddened to hear the news of the passing of Ryan Knight,” MTV said Friday. “Our thoughts and condolences are with his family and friends at this difficult time.”

Jemmye Carroll, Knight’s on-again, off-again girlfriend, shared several photos of Knight.

image via Twitter from Jemmye Carroll

E! News notes that he had just written tweets to Sahar Dika, a Real World: New Orleans co-star. She remembered him on Instagram.

image via Instagram from Sahar Dika

Another New Orleans co-star, Ashlee Feldman, shared:

image via Instagram from Ashlee Feldman

Frank Sweeney of The Challenge wrote: