When Hideyoshi died in 1598, he hoped to have his five-year-old son continue his  dynasty,  initially under the tutelage of five regents.
Five-year-old son was never supposed to continue his dynasty.
mnli hypothesis: Five-year-old son was never supposed to continue his dynasty. premise: When Hideyoshi died in 1598, he hoped to have his five-year-old son continue his  dynasty,  initially under the tutelage of five regents.