Gavin Wilson is a flashback character in The Handmaid's Tale and Moira Strand’s biological son, whom she gave birth to as a surrogate mother - using her own egg.
Before Gilead[]
Moira gives birth to a boy named Gavin as a surrogate and gives him to the new parents (the Wilsons) who eventually move back to England with him.[1] She mentions to June that she is being paid $250,000 upon the birth of a healthy baby. Moira mentions that Gavin's parents sent her a card on Gavin's six month birthday.