If you mean how did she become a vampire. It's because she jumped off of a cliff when her new born passed away. Carlise finds her and saves her for himself.
Esme become a vampire in 1921.
Esme
Esme Cullen was 26 when she became a vampire. She was born in 1895 and was turned into a vampire by Dr Carlisle Cullen (her now husband) in 1921.
she dose not have one
1921
1921
Elizabeth Reaser plays Esme in the Twilight Saga.
His birth mother was NOT a vampire, the woman he refers to as his mother, Esme, IS a vampire.
1921
she was 26
Esme Cullen
Esme and Edward were turned into vampires before the start of the Twilight series.