Final answer:
In the book 'I Know Why the Caged Bird Sings,' Vivian, Maya's mother, had one brother who was an influential figure in Maya's life.
Step-by-step explanation:
In Maya Angelou's autobiography I Know Why the Caged Bird Sings, Vivian Baxter, Maya's mother, had one brother. Vivian's brother was an important figure in Maya's life, as he took on a fatherly role for her and her brother, Bailey.
The book delves deep into the themes of family, struggle, and personal growth, as it chronicles Maya Angelou's experiences from childhood to early adulthood, touching upon the hardships she faced and how her family dynamics shaped her as a person.