Complex sentence: The ancient capital is believed to have been near Takefu, but by the Sengoku Period the province was divided among many fiefs and in the Edo Period the daimyo (Fukui Domain) maintained their seat at Fukui city.
Split into simpler sentences: The ancient capital is believed to have been near Takefu, but by the Sengoku Period the province was divided among many fiefs. In the Edo Period the daimyo (Fukui Domain) maintained their seat at Fukui city.