Gladys Pearl-nee Monroe-Baker (May 27, 1902 Mexico-Mar. 11, 1984 Florida) was the mother of Marilyn Monroe She also had 2 children son Robert and daughter Berniece from her 1st marriage. Her son, Marilyn's half brother, died in 1933 at only 15yrs. and Marilyn didn't know about her half sister until she was 12yrs. Due to finances and mental illness Gladys wasn't always able to care for her children and by 1935 would only see her 2 surviving daughters occasionally.
Probably the most celebrated of all actresses, Marilyn Monroe was born Norma Jeane Mortenson on June 1, 1926, in Los Angeles General Hospital. Prior to her birth, Marilyn's father bought a motorcycle and headed north to San Francisco, abandoning the family in Los Angeles. Marilyn grew up not knowing for sure who her father really was. Her mother, Gladys, had entered into several relationships, further confusing her daughter as to who it was who fathered her.