Bastard prince : Henry VIII'S lost son

It took Henry VIII twenty-eight years, three wives, and a break with Rome before he secured a legitimate male heir. Yet he already had a son - the illegitimate Henry Fitzroy. Fitzroy was born in 1519 after the King's affair with Elizabeth Blount. He was the only illegitimate offspring ever acknowledged by Henry VIII, and Cardinal Wolsey was even one of his godparents. So just how close did he come to being Henry IX?