Her husband Ramiro Prialé was one of the founders and most prominent figures of the party.

In 1945, she met Ramiro Prialé, the leader of the Peruvian Aprista Party, and the couple married later that year.

[1][2] Zevallos served as a key advisor to her husband, and founded the women's wing of the party.

[2] During her life, Zevallos also led several social organizations, including the Foundation of the Children of the Town and the National Comprehensive Program for Family Well-being (INABIF).

Her coffin was taken to the Legislative Palace, where Peruvian Aprista Party congressmembers Mauricio Mulder and Mercedes Cabanillas paid tribute to her.