The heiress to the Johnson & Johnson throne dies this week at the young age of 30.

Casey Johnson’s father Woody, is also the owner of the New York Jets.

Spokesman Jesse Derris said Monday that the family is mourning the loss of Casey Johnson, 30. TMZ.com reported that Johnson was found dead Monday in Los Angeles. The cause of death was not given.

Johnson gained celebrity as the girlfriend of reality TV star Tila Tequila. Tequila’s publicist says the two were engaged.