Niwa Nagashige was a Japanese daimyō who served the Oda clan. Nagashige was the eldest son of Niwa Nagahide and married the 5th daughter of Oda Nobunaga. He took part in his first campaign in 1583, as

Niwa Mitsushige was an Edo period Japanese samurai, 2nd Niwa daimyō of Shirakawa Domain and the 1st Niwa daimyō of Nihonmatsu Domain in the Tōhoku region of Japan. He was the 2nd hereditary chieftain