Wikipedia
Félix was born in Viseu. He is of Brazilian descent through his father who was born in Brazil. His parents, Carlos and Carla, are both teachers. He has a younger brother, Hugo, who plays for Benfica's youth ranks. Growing up, Félix's idols were Kaká and Rui Costa, the latter a player he looked to emulate. Félix was in a relationship with Portuguese actress Margarida Corceiro until May 2023. In April 2020, Félix made a donation of equipment to a crowdfunding campaign for a hospital in his hometown in Viseu during the COVID-19 pandemic.
https://en.wikipedia.org/wiki/Jo%C3%A3o_F%C3%A9lix