George W. Bush to Join Jeb in South Carolina

GOP presidential candidate Jeb Bush got help from his mom and now he's enlisting the help of his older brother.

George W. Bush joins Jeb Monday night in North Charleston, South Carolina for the pair's first public campaign event together. The former president has fundraised for Jeb before, notably appearing with their father at a major Houston event last fall.

"President Bush has been incredibly supportive of his brother's campaign and Governor Bush is excited to have him out on the trail," Bush's spokeswoman, Kristy Campbell, wrote in a statement provided to ABC News.

"With the threats facing our nation and our allies, we need a steady hand. Few people understand that better than President Bush who knows that we need a tested, strong leader as our next Commander-in-Chief."

The former president has lent a hand in advertising. He appeared in a campaign radio ad earlier this week in South Carolina and was seen in an advertisement during the Super Bowl in New Hampshire sponsored by Right to Rise, the Super PAC supporting Bush.

Though a Gallup poll showed his approval ratings upon leaving office were a mere 34 percent, according to a Bloomberg national poll, former President Bush's approval rate among Republicans is at 77 percent.

Jeb Bush was joined by his 90-year-old mother, Barbara Bush, on the campaign trail earlier this month ahead of the New Hampshire primary.