During the nearly one hundred and fifty years spanning the reigns of the sixth dynasty pharaohs Pepi I, Merenre, and Pepi II, the false door motif went through a sequential series of changes affecting the layout of the panels, allowing historians to date tombs based on which style of false door was used.
Pepi I Meryre, the third pharaoh of the Sixth dynasty of Egypt (2332-2282 BC)
The pharaoh Djedkara sent trade expeditions south to Punt and north to Byblos, and Pepi I sent expeditions not only to these locations, but also as far as Ebla in modern-day Syria.