Somehow it's like an enactment of Faulkner's "As i lay dying" for our modern times, with its multi-perspectivity of interior and medial monologues, including the one of the dead mother in the coffin. The forward movement of funeral processions keep the dead mother alive for the moment and unify the families for one last time.
The novel ends with the husband buying a new set of ill-fitting teeth, getting ready to remarry. In the novel they struggle to cross a raging river with the coffin on their simple horse carriage, here the cortege is flowing along itself, the queen's last stream-of-consciousness, a river, which is the privilege of the aristocracy, i assume.
The poor, though, on the other hand, have the privilege to decide where to be buried eventually to rest in peace.