Vasily Kosoy
From Wikipedia, the free encyclopedia
In this name that follows Eastern Slavic naming customs, the patronymic is Yuryevich.
Vasiliy Yuryevich Kosoy (the Squint) (Russian: Василий Юрьевич Косой; ca. 1401–1448) was prince of Zvenigorod from 1421. He continued his father's claim on the title of Grand Prince of Moscow in 1434.