Son George Henry Cory Death Notice lists her name as Christiana Letitia Cory:
https://familysearch.org/ark:/61903/3:1:3Q9M-CS36-W9ND?i=162&ca...
George Henry Cory (above) named his daughter Christina Sophia Letitia Marais (Cory) after his mother?
Son Paul Peter John Cory Death Notice lists her name as Christiana Sophia Letitia Cory:
https://familysearch.org/ark:/61903/3:1:3Q9M-CS92-69J4-R?i=374&...
Her own Death Notice lists her name as Christiana Sophia Letita Cory born Coetser:
https://familysearch.org/ark:/61903/3:1:3Q9M-CSQF-M31R-7?i=6&ca...
Also mentions her parents as Gert and Christiana Coetser (yes, Death Notices are prone to errors).
Only references I've found to Christina Sophia Aletta Cory is:
DEPOT KAB
SOURCE MOOC
TYPE LEER
VOLUME_NO 7/1/239
SYSTEM 01
REFERENCE 74
PART 1
DESCRIPTION COETSER, CHRISTINA SOPHIA ALETTA. WIFE OF WILLIAM GEORGE CORY. INVENTORY.
STARTING 18580000
ENDING 18580000
REMARKS FILED 1858.
Can we safely say that she was Christiana Sophia Letitita Coetser?