Translation of "Undisputed" in Russian

Great-Grandma is the undisputed matriarch of our family.

Прабабушка - бесспорный матриарх нашей семьи.

History, and when he took the title of Shogun, his dominance over Japan became undisputed.

и когда он принял титул сёгуна, никто более не оспаривал его власть над Японией.