In my quest to better understand the gebirah ("Great Lady") tradition and its alleged connection to Egypt I searched K. Kitchen's Ramesside Inscriptions for the term.
The only match was in the "State seals of Hatti" in Ramses II's treaty, where the queen cosigned:
An inlaid figure of the Goddess of Hatti, embracing a figure of the Great Lady of Hatti, surrounded by a border-inscription as follows — “The Seal of the Sun-god of the town of Arinna, the Lord of the land; the Seal of Pudukhepa, the Great Lady of the Hatti-land, the daughter of the land of Qizzuwatna, the [priestess?] of the [town of] Arinna, the mistress of the land, the servant of the Goddess.” What is within the surround of the outline-figure: — “The Seal of the Sun-god of Arinna, the Lord of every land.”
So yet again my attention is brought back to Anatolia, much like the bees from Tel Rehov's apiary, destroyed right around when Asa deposed his grandmother the "Great Lady."
Also of note was that the Qizzuwatana she was originally from was (a) one of the twelve groups of tribes captured onto Egypt following the earlier battle of Kadesh, and (b) later where the "House of Mopsus" is roughly based among the Denyen sea peoples who settled there and are hypothesized as potentially being the Biblical tribe of Dan.