con sus propios ojos

with one's own eyes

→ con
phrase Rare #37,298
with one's own eyes Used to emphasize seeing something personally and directly. The possessive pronoun may vary with context, but this example keeps the exact phrase form requested.
SP: Mi hermana lo vio con sus propios ojos.
EN: My sister saw it with her own eyes.

Mire con sus propios ojos.

Look with your own eyes.

Mi hermana lo vio con sus propios ojos.

My sister saw it with her own eyes.

Tomás vería con sus propios ojos el futuro que había preparado.

Tomás would see with his own eyes the future he had prepared.

Esta noche te verán con sus propios ojos.

Tonight they will see you with their own eyes.

Vio morir a su hija con sus propios ojos.

He saw his daughter die with his own eyes.

— The Host (2006)

Nuestros hijos la verán con sus propios ojos.

Our children will see it with their own eyes.

Solo podía esperar a verlo con sus propios ojos.

He could only wait to see it with his own eyes.