India, Feb. 2 -- Convicted sex offender Jeffrey Epstein fathered a secret child 15 years ago, as per a bombshell email reportedly sent by Sarah Ferguson.

Ferguson, the former spouse of Andrew Mountbatten Windsor (previously known as Prince Andrew), allegedly penned the note on September 21, 2011.

"Don't know if you're still on this bbm but have heard from The Duke that you have had a baby boy," Ferguson wrote, concluding the message with "Sarah xx."

Epstein is not known to have fathered any children. However, if Ferguson's purported claims hold any truth, the late sex offender's son would be approaching 15 years of age.

In another email, Ferguson expressed her anger, stating that Epstein had "disappeared."

"I did not even know you we...