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