Their son Leonhard Euler was born in Basel, but the family moved to Riehen when he was one year old and it was in Riehen, not far from Basel, that Leonard was brought up. Paul Euler had, as we have mentioned, some mathematical training and he was able to teach his son elementary mathematics along with other subjects.
Ang kanilang mga anak na lalaki Leonhard Euler ay ipinanganak sa Basel, ngunit ang pamilya inilipat sa Riehen kapag siya ay isang taon gulang na at ito ay sa Riehen, hindi malayo mula sa Basel, na Leonard ay nagdala up. Paul Euler had, bilang kami ay nabanggit, ang ilang matematiko pagsasanay at siya ay magagawang turuan ang kanyang anak na lalaki elementarya matematika kasama ng iba pang mga paksa.