Introduction
The grandmother in "The Portrait of a Lady" is a wise and intelligent woman who plays a pivotal role in shaping the protagonist's character. She is a remarkable woman who is full of life and vitality.

Appearance
The grandmother is described as a tall, thin woman with a stern expression. She has silver hair and piercing blue eyes, which seem to see through people.

Personality
The grandmother is a strong, independent woman who values education and intelligence above all else. She is proud of her family and heritage and is not afraid to speak her mind. She is also very loving and caring towards her family, especially her granddaughter.

Role in the Story
The grandmother's role in the story is crucial. She serves as a mentor and guide to the protagonist, Isabel Archer. She advises her on various matters, including marriage and education. She is also the only person who sees through Gilbert Osmond's facade and warns Isabel against marrying him.

Conclusion
In conclusion, the grandmother in "The Portrait of a Lady" is a remarkable woman who is full of wisdom and intelligence. She plays a pivotal role in shaping Isabel Archer's character and is a crucial character in the story. Her advice and guidance are invaluable to Isabel, and her love and care for her family are truly admirable.