Remains of the southern pyramid of Mazghuna
Mazghuna is  a  locate  south  of  Dahshur associated with the last rules of the 12th Dynasty. The pyramidal works of Akhenaten (1799-1787 B.C.E.) and Queen Sobekneferu (1787-1783 B.C.E.) were discovered at that place. They were brother and sister, and they established to renovate their dynastic claims and halt the disintegration of Egypt and the first of the Second Intermediate Period, to no help. The Hyksos and other established details were already ready in the  Delta, and  the nome  tribes were establishing their own claims to domain and power. The pyramidal tombs of these rules are in ruins.