Several members of Rosita's family have been seen on Sesame Street; members include her father (Ricardo), her mother (Rosa), her grandmother (also known as her abuela), and a few unnamed relatives of her extended family.
Rosita's extended family was shown in a Spanish Word of the Day segment, where Rosita introduced the word Familia. (First: Episode 4078) Her extended family also appeared in a Healthy Moment segment. Rosita shows how eating with family is a great way to enjoy food. (First: Episode 4096)
Rosita's mother and father were formally introduced in Talk, Listen, Connect: Changes. In the "Word of the Day" segment, her grandfather, Tia (Aunt) Mercedes, and cousins (Paco, Pepe, Luis, and Conchita) are featured. Additional members mentioned (but not seen yet) include:
- Aunt Graziela (Episode 2964)
- Uncle Emmanuel (Episode 3088)
- Cousins Jose and Carmelita (Episode 3241)
- Uncle Eduardo (Episode 3341; she borrows a camera from him in Episode 3832)
- Uncle Francisco (Episode 3581)
- Uncle Carlos, who plays the xylophone (Episode 3833, Episode 3846)
- Aunts Rosa and Carmella, Uncle José (Episode 3846)
- Uncle Fernando (Episode 4041)
