Василей was born in 1758. Василей's father was Матвей Матвеевич Нечаев and his mother was Нечаева. His paternal grandparents are Матвей Нечаев and <Unknown>. He had a brother and a sister, named Фёдор and Варвара. He was the youngest of the three children. He died at the age of 7 in 1765.