After the death of Hideyoshi, Takatomo approached Ieyasu TOKUGAWA, and because Takatomo's contributions to the battle of Sekigahara were recognized, he became the lord of a province, was allowed to call himself Lord of Tango, and was given Tango Province with 123,000 koku.
秀吉の死後は徳川家康に近づき関ヶ原の戦いでの抜群の功により、国主となり、丹後守を称することを許され、丹後国一国、十二万三千石を与えられる。