From WENN.com

The actor became a first-time father in July (12) when his girlfriend Sheila Hafsadi gave birth to a boy named Monroe Jackson Rathbone VI.

He has now revealed Reed, who plays his onscreen adoptive sister, has been given the honour of becoming the baby's godmother.

In a post on Twitter.com, Rathbone ?has uploaded picture of Reed cuddling the tot, with the caption, ""Lil' Monroe VI with his godmother Nikki Reed. Adorable.""