Устинья's father was Игнатей Тарасович Долгих and her mother is <Unknown>. Her paternal grandparents are Тарас Долгих and <Unknown>. She had six brothers and a sister, named Иван, Степан, Роман, Егор, Роман, Григорей and Василиса. She was the oldest of the eight children. She died at the age of 67 in 1785.