President Obama took his second oath of office on Sunday, in a quiet ceremony presided over by Chief Justice Roberts. Vice President Joe Biden was also sworn in on Sunday, according to NBC News.
Obama repeated the directive to "preserve, protect, and defend the Constitution of the United States." He was joined by First Lady Michelle Obama and his daughters Sasha and Malia.
He made no additional remarks. He will deliver his public inaugural address Monday on the west front of the United States Capitol.
During the brief swearing-in Sunday, the first lady held the family Bible upon which Obama laid his hand to swear the oath. According to inaugural officials, the Bible was a gift from Mrs. Obama's father to his mother in 1958.
Read more at NBC News.