Families with nine or ten children weren't all that uncommon in my grandparents' generation here in Taiwan. Even today, there are ten different countries in wh

Families with nine or ten children weren't all that uncommon in my grandparents' generation here in Taiwan. Even today, there are ten different countries in which the fertility rate is currently above 6 and a couple above 7. I don't think 10 children would be unreasonable as an upper bound for the exceptionally successful. http://en.wikipedia.org/wiki/List_of_countries_and_territories_by_fertility_rate http://en.wikipedia.org/wiki/List_of_countries_and_territori...