How Patty Duke's Son Sean Astin Learned Who His Biological Father Is

#34;There was a lot of stuff in the press early on," John Astin told PEOPLE in 2001 of his son Sean's birth

Sean Astin Learned Who Real Father Was via DNA Test

Sean Astin, Wiki

Sean Astin's father

The Detroit Jewish News Digital Archives - April 21, 2005 - Image 52

Patty Duke - Wikipedia

Patty Duke - Wikipedia

One Mom, 4 Dads, Sean Astin's pretty amazing family. — Hoboken Family Law Blog — June 30, 2013

Love this Patty Duke and Sean and Mackenzie Astin.

Sean Astin Plays A Great Dad In 'Stranger Things' Because He Has FOUR Dads!

Sean Astin Plays A Great Dad In 'Stranger Things' Because He Has FOUR Dads!