[UPDATE: The two youngest sisters have been found. The oldest sister is still missing as of 11 p.m. Saturday]

READ MORE: Pelicans Top Clippers Again, 123-104; Valanciunas Scores Career-High 39,

GLENDALE (CBSLA.com) —  Glendale Police are asking the public’s help to find a missing teen who is mentally challenged and pregnant.

Saturday evening, Glendale Police said the missing teen and her two younger sisters were all missing.

The Lubrin sisters — ages 13-16 —  were last seen yesterday morning or early afternoon.

Officials say none of them has a cell phone and one of them is pregnant.

READ MORE: Chanukah Celebrations Stress Message Of "Light Over Darkness" In Trying Times

The siblings, who reportedly live with grandparents in the 800 block of E Chevy Chase, are known to frequent the Glendale Galleria and Americana at Brand, specifically the Apple store.

The oldest sister, Jocye, is 4 feet 11 inches tall, about 120 pounds. She has brown hair and brown eyes. When last seen, she was in a white tank top, blue hooded sweatshirt with a grey jacket.

In addition, her family says the 16-year-old is 7 and one-half months pregnant and is mentally challenged, has ADHD, depression and PTSD.

The middle sister, Kealani, is 15. She is 5 feet 1 inches tall and 115 pounds. She also has brown hair and eyes. She was last seen in a flowered tube top, blue denim shorts, a white sweater and black shoes.

The youngest sister, Ashley, is 13. She is described as 5 feet 4 inches and 140 pounds. She was last seen in a red polo shirt, blue denim shorts and a blue Dodgers cap. Ashley has asthma and it is unknown if she has her inhaler.

MORE NEWS: Authorities Investigating Fatal North Hollywood Shooting On Monday Evening

If you’ve seen the siblings, you are asked to call Glendale Police.