FiveFord C.E.O. Alan Mulally, 63, has five kids, ages 20 to 31. Ford has let Mulally’s family fly on the company jet from their home in ­Seattle to the office in Dearborn, Michigan, even when he wasn’t aboard.

SixThe C.E.O. of Hilton ­Hotels, Chris Nasetta, 46, has six daughters ages five to 15, who all attend the same schools he did in the Washington suburb of ­Arlington, Virginia.

Seven“It’s absolutely ­essential to find a balance between work and family,” says Peter ­Olson, former C.E.O. of ­Random House. ­Olson, 58, has seven children ages 13 to 31—two ­adopted from Russia and one from Hungary. Edgar ­Bronfman Jr., the 53-year-old C.E.O. of ­Warner ­Music, also has seven ­children. An anti-file-sharing ­crusader, Bronfman has admitted to catching his kids ­downloading music illegally.

NinePeopleSoft co-founder David Duffield, 67, has nine children, six of them adopted. The family homestead, near Lake ­Tahoe, Nevada, is on a piece of property formerly home to the ranch where ­Bonanza was shot. David ­Neeleman, 49, the ex-C.E.O. of JetBlue and the founder of Brazilian airline Azul, has nine kids as well, ages nine to 26. ­Neeleman is in Brazil ­Tuesdays to Thursdays; on Sundays, wherever he is, he ­attends church with his family.

TenAt least two C.E.O.’s are the ­fathers of 10 children: ­Nelson Peltz, 66, chairman and former C.E.O. of restaurant giant ­Triarc Companies, and ­Richard Schulze, 67, founder and former C.E.O. of Best Buy.