vs
QUICK ANSWER
"Their daughter" is a phrase which is often translated as "su hija", and "her" is an adjective which is often translated as "su". Learn more about the difference between "their daughter" and "her" below.
their daughter(
thehr
da
-
duhr
)her(
huhr
)An adjective is a word that describes a noun (e.g., the big dog).
1. (possessive)
a. su
Her children are very bright.Sus hijos son muy inteligentes.
I cannot stand her attitude any longer.Ya no puedo soportar más su actitud.
A pronoun is a word that stands in for a noun (e.g., she).
2. (personal)