Şunu aradınız:: in regis nomine (Latince - İngilizce)

ipsaeque epistulae quae ex regis nomine mittebantur anulo illius obsignatae sunt et missae per veredarios qui per omnes provincias discurrentes veteres litteras novis nuntiis praeveniren
and he wrote in the king ahasuerus' name, and sealed it with the king's ring, and sent letters by posts on horseback, and riders on mules, camels, and young dromedaries:

scribite ergo iudaeis sicut vobis placet ex regis nomine signantes litteras anulo meo haec enim consuetudo erat ut epistulis quae ex regis nomine mittebantur et illius anulo signatae erant nemo auderet contradicer
write ye also for the jews, as it liketh you, in the king's name, and seal it with the king's ring: for the writing which is written in the king's name, and sealed with the king's ring, may no man reverse.