( CNN ) -- Jessica Barrymore , the half-sister of actress Drew Barrymore , was found dead early Tuesday morning . Jessica Barrymore , 47 , was found in her vehicle on a street in National City , California , near San Diego , the San Diego County Medical Examiner said in a report . According to San Diego TV station KGTV , a resident noticed Barrymore at the wheel of a car blocking her driveway around 6 a.m. Tuesday . When the resident went to check on her , Barrymore did not respond . Upon seeing `` dozens of white pills scattered around , '' the TV station reported , the resident called police . Her death was confirmed by the fire department . She was an employee of a Petco store . Jessica Barrymore and Drew Barrymore are both daughters of actor John Drew Barrymore but have different mothers . Drew Barrymore , who was born nine years after Jessica , only met her half-sister `` briefly , '' she said in a statement . She expressed sorrow at her death . `` I wish her and her loved ones as much peace as possible and I 'm so incredibly sorry for their loss , '' she said . A postmortem examination has not been scheduled . 'Die Hard ' actor James Shigeta dies . Last Enola Gay crew member dies . CNN 's Joan Yeam contributed to this story .
Jessica Lane was half - sister of Drew Barrymore . She was found dead early one morning . Drew said : ` ` I ' m so incredibly sorry ''