There is no Cynthia Cullen, but there is another Cynthia who is Alice's real sister.
Nobody knows her human parents because after Alice became a vampire she forgot all about her human family, however her adoptive parents are Carlisle and Esme Cullen.
Cindy Birch's birth name is Cindy Malika Birch.
Cynthia Brandon is Alice Cullen's human sister's name. When she was alive, Alice's human name was Mary Alice Brandon. Cynthia has a daughter who is still living, but Alice has never met her.
Alice Cullen's human parents were named John and Cynthia Brandon.
Biloxi, MississippiAlice Cullen remembers nothing about her life as a human, but it was revealed that she was born around 1901 in Biloxi, Mississippi. She was kept in an asylum due to her premonitions, and was converted to a vampire in that asylum. Her premonitions were made even stronger when she became a vampire.
carlisle Cullen,Esme Cullen,emmet Cullen,Edward Cullen,rosalie Cullen,jasper Cullen and Alice Cullen
The oldest Cullen is Carlislie Cullen.
Carlisle Cullen - Peter FacinelliEsme Cullen - Elizabeth ReaserEmmett Cullen - Kellan LuttzRosalie Cullen - Nikki ReedJasper Cullen - Jackson RathboneAlice Cullen - Ashley GreeneEdward Cullen - Robert PattinsonIsabella "Bella" Swan Cullen - Kristen StewartReneesmee "Nessie" Cullen - Unknown
Carlisle Cullen Esme Cullen Alice Cullen Jasper hale Cullen Rosalie hale Cullen Emmett mason Cullen edward Anthony mason Cullen Isabella Mary swan and soon to be Isabella Mary Cullen Reneesme carlie Cullen.
Esme Cullen's husband's name was Carlisle Cullen.
Heidi Cullen's parents are William J. Cullen and Patricia A. Cullen.
Edward Cullen, Bella Swan(Cullen), Rosalie Hale ,Emmett Cullen, Alice Cullen, Jasper Hale, Carlisle Cullen, Esme Cullen, Renesme Cullen, Charlie Swan, Rene Swan. YOU GET THE PICTURE.