Иван was born on June 24th, 1746 in Тугулымия.1 Иван's father is Степан Иванович Серков and his mother is <Unknown>. His paternal grandparents are Иван Серков and <Unknown>. He had two brothers and a sister, named Илья, Лаврентий and Евдокея. He is the second oldest of the four children.