<P> After Toby's heart surgery, he and Kate decided to get engaged . Kate became pregnant with Toby's child, but she miscarried; afterwards, despite an initial struggle in their relationship, Toby came through for her . Kate, around the 20th anniversary of Jack's death, told Toby he strengthens her and Jack would have loved him . </P> <P> William H. "Shakespeare" Hill (died 2017), portrayed by Ron Cephas Jones (recent days) and Jermel Nakia (as a young adult), was Randall's biological father . </P> <P> William was a recovering drug addict who was suffering from terminal stage - four stomach cancer in the present . He grew up in Memphis, and after his mother moved to Pittsburgh he stayed in Memphis to play in his cousin Ricky's band, where he played piano, wrote, and sang . William left the band, with the intention of returning, to care for his dying mother . However, after meeting Randall's mother and becoming a drug addict, he never returned . He got clean after he thought he saw a monkey on the streets, realizing that nothing good comes from a person being on the street at 3: 30 am . (He also stayed clean for years after being told by a judge, who offered to help him after his first conviction, to picture the judge's face when he was tempted to do the wrong thing .) William returned to Philadelphia to attend a Narcotics Anonymous meeting, hoping to find and reconnect with his former lover--a man named Jessie . </P> <P> William, who was bisexual, and Jesse never officially broke up . Jessie assumed William had died when he vanished one night--the night William moved in with Randall's family . </P>

Who is randall's biological mother on this is us