his/her/their shoes
Tom compró cordones nuevos para sus zapatos.
Tom bought new shoelaces for his shoes.
She likes her new shoes.
Put on your shoes.
Tom no logra atar sus zapatos por sí mismo.
Tom can't tie his shoes by himself.
Her shoes are untied.
He polished his shoes.
She tied her shoes.
Usted me enseña el número de sus zapatos?
Could you show me your shoe size?
— Ladrón de bicicletas (1948)
Quiero descubrir dónde compró Tom sus zapatos.
I want to find out where Tom bought his shoes.