Which preposition to use with aethra

from Occurrences 2%

" Then AEgeus kissed his wife and the babe, and went on board the ship; the sailors shouted; the oars were dipped into the waves; the white sail was spread to the breeze; and AEthra from her palace window saw the vessel speed away over the blue waters towards AEgina and the distant Attic shore.

Which preposition to use with  aethra