one of their
Una de sus redes me habría costado una fortuna.
One of their nets would have cost me a fortune.
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.
There comes one of her young.
Una de sus aficiones es coleccionar camisetas.
One of his hobbies is collecting t-shirts.
Lo llamo para decirle que una de sus máquinas está averiada.
I am calling to tell you that one of your machines is broken.
— Amélie (2001)