Princess Mary Victoria of Monaco was born on July 5, 1867, as the daughter of Prince Albert I of Monaco and Princess Caroline of Monaco. She was a member of the Grimaldi family, which has ruled Monaco for centuries. Known for her charitable work, she played a significant role in various social causes during her lifetime. In 1889, she married Prince Louis II of Monaco, becoming the Princess Consort. Together, they had one child, Prince Pierre of Monaco. Princess Mary Victoria was known for her elegance and dedication to her family, contributing to the cultural and social life of the principality.