 He took the daughter of a chief as his lifelong mistress.On September 1, 1513, Balboa set out with 190 Spaniards — among them Francisco Pizarro, who later conquered the Inca Empire in Peru — a pack of dogs, and 1,000 Indian slaves.After twenty-five days of hacking their way through the jungle, the party gazed on the vast expanse of the Pacific Ocean.