"Nobility of Love": what is Ritinha's mystery?

In "A Nobreza do Amor", little Ritinha, played by Júlia Salarini, lives a mystery about her origin. But what is the child's true story?

Until now, she has been presented as an orphan child, left at the church door because her biological parents had died. That was how Father Viriato (Marcelo Médici) started to take care of her and call her his niece. Belmira, who is a relative of the parish priest, is the one who helps him with the creation.

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But, in fact, Ritinha is the result of an extramarital relationship between Diógenes (Danton Mello) and Belmira, since the banker is married to Marta (Emanuelle Araújo). She has no idea, but she is the sister of Virginia (Theresa Fonseca) and Aurelinda (Antonella Benvenuti), and she also has a rich father.

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Source: CNN