Hyacinthus and the Hyacinthides also die a violent death, like Dionysus and the women associated with him... in the myth of Hyacinthus, as in the myth of Dionysus, the nurse assumes the position of mother.
Otto argues that Hyacinthus and his daughters repeat the structural pattern of Dionysiac violent death and that the nurse-as-mother motif links the Hyacinthus cult directly to Dionysian religion.
, Dionysus Myth and Cult (1965), 1965thesis