This is the 15802nd most frequent Turkish word.
torunlarımıza
"To our grandchildren."
The word 'torunlarımıza' is used here in the dative case to indicate the recipient of the action of telling stories.
Güzel hikayelerimizi torunlarımıza anlattık.
We told our beautiful stories to our grandchildren.
In this sentence, 'torunlarımıza' again is in the dative case showing to whom the belongings were left.
Torunlarımıza değerli eşyalar bıraktık.
We left valuable belongings to our grandchildren.
Here, 'torunlarımıza' indicates to whom the subject is showing approach or affection, being in the dative case.