The cause of death for Prince William and Prince Harry ’s cousin Rosie Roche has been reportedly revealed. Roche was killed by a “traumatic head injury,” according to the Daily Mail, The Independent and other outlets, which cite the Wiltshire and Swindon coroner. She was 20 years old.

Coroner Grant Davies reportedly said that police "have deemed" Roche's death "as non-suspicious and there was no third-party involvement"

She was connected to the royal family through her grandfather, Edmund Roche, 5th Baron Fermoy, who was Princess Diana 's uncle. The royal family has not publicly commented on her death. Here's everything to know about Prince William and Prince Harry's late cousin,