What is "tokuhime"

, also known as or Lady Toku (November 11, 1559 – February 16, 1636) was born the daughter of Japanese daimyo Oda Nobunaga and later married Matsudaira Nobuyasu, the first son of Tokugawa Ieyasu. She is also remembered as the person most responsible for the deaths of Nobuyasu and his mother, Ieyasu's wife, the Lady Tsukiyama.