una de sus

one of his, her, or their

→ uno

phrase Rare #32,785

one of his, her, or their Used before a feminine singular noun to refer to one item belonging to or associated with a male, female, or plural group. The possessive sus can mean his, her, or their depending on context.

SP: Una de sus películas ganó un premio.

EN: One of his movies won an award.

Ahí viene una de sus crías.

There comes one of her young.

Una de sus fans, seguro es el precio de la fama.

One of his fans—it's probably the price of fame.

— Caché (Escondido) (2005)

Una de sus primeras obras.

One of his early works.

— Retrato de una mujer en llamas (2019)

Una de sus colegas está en la casa.

One of her colleagues is at the house.

— El mundo (2004)

Tom le dio a Mary una de sus guitarras.

Tom gave Mary one of his guitars.

Una de sus hermanas es enfermera.

One of her sisters is a nurse.

Lo llamo para decirle que una de sus máquinas está averiada.

I am calling to tell you that one of your machines is broken.

— Amelie (2001)

Una de sus aficiones es coleccionar camisetas.

One of his hobbies is collecting t-shirts.