The translation su agrees in number with the noun which it modifies; their is translated by su, sus, depending on what follows: their father/mother su padre/madre; their books/magazines sus libros/revistas. For their used with parts of the body,
Find clear and straightforward guidance that will help you improve your Spanish grammar, pronunciation, and writing skills...
Do you know what 'arpilleras' are? They are pieces of appliquéd textile folk art, common in South America. Doll characters and animals create a three-dimensional effect representing scenes from daily life.