Just how do you bring up a baby on Formula One's world tour?
Mercedes driver Nico Rosberg is the newest dad on the grid, as his wife Vivian gave birth to a daughter a week before the 2015 Italian Grand Prix. Rosberg had a helicopter on standby to whisk him away for the birth at the previous race in Belgium.
"Take your child to work day" is a regular occurrence for Formula One driver Felipe Massa and his son Felipinho, who has been joining his dad on the road for the last six years. Mini Massa plays football at the track and sometimes gives TV interviews.
Lotus driver Pastor Maldonado enjoys having his wife Gabriela and daughter Victoria join him for the European leg of the season, traveling around from Spain to Italy. Gabriela tells CNN: "Maybe they need to make a playground here (in the F1 paddock)!"
"When the helmet is on and you close the visor, you don't think about the fact that you're a dad," Lotus driver Romain Grosjean, seen here with his wife Marion, tells CNN. They have two sons, Sacha and Simon.
Four-time world champion Sebastian Vettel is rarely seen at the track with his long-term girlfriend Hanna Prater, who gave birth to their daughter Emily in 2014.