Answers
On
Mary Tsiganou answered:
According to the Greek citizenship law, people who have an ancestor, who was a Greek citizen (designation/assertion of citizenship) are eligible for the Greek citizenship under specific process and submitted documents, that prove the respective relationship. It is advisable to address your case to a legal or consultancy firm dedicated for citizenship issues.
On
Stilianos Proestakis answered:
You could claim Greek citizenship via your mother's blood root (jus sanguinis).