The two brothers were to have an important influence on each others mathematical development and it was particularly true that in his early years Johann must have been greatly influenced by seeing Jacob head towards a mathematical career despite the objections of his parents.
Ang dalawang kapatid na lalaki ay upang magkaroon ng isang mahalagang impluwensiya sa bawat iba matematikal na pag-unlad at ito ay partikular na tunay na sa kanyang unang bahagi ng taon Johann dapat ay malaki naiimpluwensyahan ng mga nakikita Jacob ulo patungo sa isang matematiko karera sa kabila ng objections ng kanyang magulang.