The billionaire Virgin founder took to Instagram to share a photo of himself and his wife, Joan Templeman, from February 1998. The pair have their arms wrapped around one another, Branson with a big smile and one fist raised in the air in celebration and Templeman grinning alongside him with her face tucked into his shoulder.

Joan Branson, the longtime spouse of Richard Branson, the billionaire founder of the Virgin Atlantic airline and one of Britain’s best known business figures, has died. Mr. Branson announced the death in an Instagram post on Tuesday. He did not cite a cause or say where she had died.

Virgin Group founder Richard Branson announced that his wife of 50 years, Holly Templeman, passed away at 80 of an undisclosed cause.