In 1705 the Bernoulli family in Groningen received a letter saying that Johann's father-in-law was pinning for his daughter and grandchildren and did not have long to live.
Sa 1705 ang Bernoulli pamilya sa Groningen natanggap ng sulat na sinasabi na Johann's ama-in-law ay pinning para sa kanyang anak na babae at inapo at hindi magkaroon ng mahaba sa live.