Juana Rosa Aguirre

Juana Rosa Aguirre Luco (December 20, 1877 – December 8, 1963) was First Lady of Chile (between December 25, 1938- November 25, 1941) and the wife of President Pedro Aguirre Cerda, who was also her cousin.
She was the daughter of the popular doctor José Joaquín Aguirre Campos and his second wife Mercedes Luco Gutiérrez. She and her cousin Pedro Aguirre Cerda were married in 1916, but they never had children. She became the First Lady of Chile in 1938 when her husband assumed the presidency.