Sujeito was born on January 17, 2022, and is the son of Jabuti and Corajem. His paternal brother is Rojão and his maternal brother is Paganini. He is from a family with a lot of tradition, being the grandson of the famous horse Rubi, who at the London 2012 Olympic Games was 16th in the KUR final. Having arrived at the School at the age of four, he is still adapting to a new routine.