Penteado was a friend of key artists of this movement, such as Anita Malfatti, Tarsila do Amaral, and Heitor Villa-Lobos.
Her family descended from Fernão Dias Pais, Amador Bueno, Tibiriçá, and João Ramalho.
Penteado spent her childhood on her father's property, Fazenda da Barra, in Mogi Mirim.
[1] While living in Paris, Penteado met modernist friends, returning to Brazil with copies of the work of Pablo Picasso and Marie Laurencin, among others.
Penteado established the Salón de Arte Moderna in 1923, when she returned to live in Brazil.