Lajeado is the son of Jacaré II and Dorinha, born on April Fools' Day, 2015. From his father side, Jacaré II, he has several talented brothers: Cajabel, Cajado, Que-Jago, Queijo, Quejal, Hojival, Ijaque and Ajacto. From his mother side, Dorinha, he also has a brother, Jabali. Lajeado is the grandson of the “champion” Rubi, who conquered a lot of achievments, especially at the Olympic Games in London, 2012, reaching the 16th place on the final KUR. His rider says that Lajeado is very nice and docile.