Jonah Hill and Olivia Millar become parents with first child.

Jonah Hill and girlfriend Olivia Millar have welcomed their first child together, according to his rep. The news comes one day after his sister Beanie Feldstein confirmed her wedding to Bonnie-Chance Roberts. Hill has kept a low-profile in recent years, citing anxiety attacks as the reason for not participating in public events or press to promote his future projects.