"J'ai appelé le poney Nefertiti, d’après cette reine d'Egypte qui m’est si chère,"
GNU Free Documentation License The iconic bust is currently on display in Berlin at the Neues Museum                                               Credit: Xenon 77

Translates as "I named the pony Nefertiti after this queen of Egypt who is so dear to me".

 Nefertiti (c. 1370 BC – c. 1330 BC) was the wife of the Egyptian Pharaoh Akhenaten. Together they helped alter the religious practises of Egypt, whose people went from worshipping multiple Gods to one chief God (Aten the sun disc), although this did not mean that they denied the existence of others. She is best known for her bust (see image left), which is frequently copied by artists and sculptors.  Nefertiti has variously been referred to as Possessed of Charm, Exuding Happiness, Mistress of Sweetness, beloved one, soothing the king's heart in his house and soft-spoken in all