In In re A.G.G., 860 S.W.2d 160 (Tex. App.--Dallas 1993, no writ), in which the court of appeals reached the opposite result.
A.G.G. attended his delinquency hearing accompanied by his grandmother, not his parents. Id. at 162.
The trial court did not appoint a guardian and proceeded with the adjudication. See id.
The grandmother not only failed to render friendly support and guidance, but testified against A.G.G. Id. The court of appeals reversed the adjudication based on the trial court's failure to appoint a guardian. Id.