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filiation ms.n+M

The filiation formula ms.n+mother's name was used in the late 11th - early 12th Dynasty and starting from the 13th Dynasty. If no other indications of date are present and nothing suggests an 11th Dynasty or a Second Intermediate Period date, the object with this filiation formula should belong either in the early 12th or the 13th Dynasty.

early 12th Dyn. or 13th Dyn.
Obsomer 1993a; Postel 2009