a ) ▁( H eb rew : ▁ ר ב י ▁ י ו ס י ▁ ב ן ▁ ח ל פ ת א ; ▁IP A : ▁/ ʁ a ' bi ▁' j osi ▁ben ▁x a ' la ft a /) ▁was ▁a ▁t anna ▁of ▁the ▁fourth ▁generation ▁( 2 nd ▁century ▁CE ). ▁He ▁is ▁the ▁fifth ▁most ▁frequently ▁mentioned ▁s age ▁in ▁the ▁M ish nah . ▁Of ▁the ▁many ▁Rab bi ▁Y ose ' s ▁in ▁the ▁Tal m ud , ▁Y ose ▁Ben ▁Hal aft a ▁is ▁the ▁one ▁who ▁is ▁simply ▁referred ▁to ▁as ▁Rab bi ▁Y ose . ▁ ▁Biography ▁He ▁was ▁born ▁at ▁Se pp hor is ; ▁but ▁his ▁family ▁was ▁of ▁Bab yl onian - J ew ish ▁origin . ▁According ▁to ▁a ▁gene alog ical ▁chart ▁found ▁at ▁Jerusalem , ▁he ▁was ▁a ▁desc endant ▁of ▁Jon ad ab ▁ben ▁Re ch ab . ▁He ▁was ▁one ▁of ▁Rab bi ▁Ak iva ' s ▁five ▁principal ▁pup ils , ▁called ▁" the ▁rest or ers ▁of ▁the ▁Law ," ▁who ▁were ▁after ward ▁ord ained ▁by ▁Jud ah ▁ben ▁B aba . ▁He ▁was ▁also ▁a ▁student ▁of ▁Johan an ▁ben ▁N uri , ▁whose ▁hal ak hot ▁he ▁transm itted ▁and ▁of ▁E ut ole mus . ▁It ▁is ▁very ▁likely ▁that ▁he ▁studied ▁much ▁under ▁his ▁father , ▁Hal aft a , ▁whose ▁authority ▁he ▁inv okes ▁in ▁several ▁instances . ▁But ▁his ▁principal ▁teacher ▁was