Complex sentence: Like his father and uncle, he was known for bravery on the battlefield, and during the latter half of Hideyoshi's invasions of Korea, fighting beside his father, he helped drive off the Ming army of over 100,000 men with only 8000 men.
Split into simpler sentences: Like his father and uncle, he was known for bravery on the battlefield. During the second half of Hideyoshi's invasions of Korea, fighting beside his father, he helped drive off the Ming army of over 100,000 men with only 8000 men.