Ivan I of Tver Prince of Tver (1357–1425) Parents Mikhail II of Tver Yevdokiya Konstantinovna Children Yury Ivanovich Aleksandr Ivanovich of Tver Ivan Ivanovich Siblings Aleksandr Mikhaylovich Fyodor Mikhaylovich Vasiliy Mikhailovich of Kashin Boris Mikhaylovich Partners Miklausė Marija
