In 1572, when Galileo was eight years old, his family returned to Florence, his father's home town. However, Galileo remained in Pisa and lived for two years with Muzio Tedaldi who was related to Galileo's mother by marriage.
Sa 1572, kapag Galileo ay walong taong gulang, sa kanyang pamilya ibabalik sa Florence, kanyang ama sa bahay bayan. Gayunman, Galileo naiiwan sa Pisa at nanirahan para sa dalawang taon na may Muzio Tedaldi na may kaugnayan sa Galileo ng ina sa pamamagitan ng kasal.