Piyeer kurii Paarisitti Caamsaa 15 1859 dhalate; abbaan Piyeer Eugene kurii (28 Hagayya 1827 – 25 Amajjii 1910) yoo ta'u haati isaa ammoo Sophie-Claire Depouilly Kurii (15 January 1832 – 27 September 1897) ti. Abbaansaa Piyeer mana keessatti isa barsiise, Piyeer yeroo umuriinsaa mana kudhanii keessaa seenu dandeettii herregaa fi ji'oomeetirii guddaa agarsiise. Umurii 16tti, digirii herregaa fudhate. Yeroo umuriinsaa 18, Piyeer barnoota digirii olaanaan qixxaatu fixe, garuu sababa mallaqa dhabuutin battalumaan doktireetii itti hin fufne. Sana dhiisee barsiisaa laabiraatorii ta'ee hojjachuu jalqabe.