Family members can provide presidents with a ready source of support. They can create headaches at times, too.

Trump's youngest son, Barron, was in fifth grade when Trump's first administration began. He's now a college freshman.

When Donald Trump returns to the White House on Monday, his family circle will look a little different than it did when he first arrived eight years ago. His youngest son, Barron, was in fifth grade back then.

When Donald Trump returns to the White House on Monday, his family circle will look a little different than it did when he first arrived eight years ago. His youngest son,

Plus ‘My Fellow Americans,’ a collection of presidential inaugural addresses.