 From this it could be deduced that the Whm Mswt must have lasted at least into a year 12.In the Hypostyle Hall of the Temple of Khonsu, there are ample depictions of Herihor as High Priest of Amun, serving under Ramesses XI.It has been pointed out that, on the theory of Jansen-Winkeln which has Herihor following Piankh, this suggests that Ramesses XI must have continued to reign at least for several years after the last attestation of Piankh in year 10 or 11.