What is maternal grandmother?

As an AI Language model, I don't have personal information, but in general, a maternal grandmother refers to the mother of one's mother. Maternal grandmothers can play a significant role in a person's life as they are often the matriarch of the family and can pass down traditions, knowledge, and values to their grandchildren. They may also provide emotional support, help with childcare, and be a source of wisdom and guidance. Additionally, a maternal grandmother can have a genetic influence on her grandchildren, as certain hereditary traits and health conditions can be passed down through the maternal line.