Ana de Castro Egas

Ana de Castro Egas was a Spanish poet and biographer of the Spanish Golden Age. The only text known by Castro Egas is the Eternidad del rey nuestro señor don Felipe III (Eternity to the King our Lord Don Felipe III), published in 1629.

Life Ana de Castro Egas was born in the end of 16th century in Valdepeñas, in the province of Ciudad Real, and resided in Madrid. As a child, she met Cardinal-Infante Ferdinand of Austria and later became part of the inner circle of the Royal House and a close friend of the Dukes of Lerma and Uceda. Ferdinand suggested Castro Egas become a biographer of his father, King Philip III of Spain.

Castro Egas closely collaborated with her niece Catalina del Río, and her cousins Clara María and Ana María de Castro. She was known as a promoter of including women in literary and academic circles.

The date of Ana de Castro Egas' death remains unknown.