Jane Banks is a fictional character from the beloved children's book and film series, Mary Poppins. She is the daughter of George Banks and Winifred Banks, living in early 20th-century London. Jane is portrayed as a spirited and intelligent young girl who often seeks adventure and enjoys spending time with her brother, Michael Banks. In the story, Jane and Michael are visited by Mary Poppins, a magical nanny who brings excitement and wonder into their lives. Jane's character embodies curiosity and a strong sense of justice, often advocating for the well-being of others. Her relationship with Mary Poppins highlights themes of imagination and the importance of family.