def new_branch(self, branch, parent, parent_turn, parent_tick):
        """Declare that the ``branch`` is descended from ``parent`` at
        ``parent_turn``, ``parent_tick``

        """
        return self.sql('branches_insert', branch, parent, parent_turn, parent_tick, parent_turn, parent_tick)
Declare that the ``branch`` is descended from ``parent`` at
        ``parent_turn``, ``parent_tick``