AEGLE One of the three sisters of Phaeton, son of the sun god Helios, who, after receiving his father's permission to drive the chariot of the sun for a day, and losing control of it, was slain by Zeus. Aegle, with both her sisters, wept for so long at the demise of their brother that they all became transformed into larch trees, which overhang the banks of the rivers, their tears, constantly flowing, being changed by Zeus into amber.