Mazghuna, 5 km to the south of Dahshur, is the site of several mudbrick pyramids dating from the 12th Dynasty. The area was explored by Ernest Mackay in 1910, and was excavated by Flinders Petrie in 1911. Amenemhat IV and Sobekneferu have been suggested as the owners of two unfinished pyramids at Mazghuna, but there is no conclusive eviā¦Mazghuna, 5 km to the south of Dahshur, is the site of several mudbrick pyramids dating from the 12th Dynasty. The area was explored by Ernest Mackay in 1910, and was excavated by Flinders Petrie in 1911. Amenemhat IV and Sobekneferu have been suggested as the owners of two unfinished pyramids at Mazghuna, but there is no conclusive evidence of this.