Jill Tracy Jacobs Biden (born June 3, 1951) is an American educator who has been the first lady of the United States since 2021 as the wife of President Joe Biden. She was the second lady of the United States from 2009 to 2017 when her husband was vice president. Since 2009, she has been a professor of English at Northern Virginia Community College, and is believed to be the first wife of a vice president or president to hold a salaried position during the majority of her husband’s tenure.

Melania Trump (born Melanija Knavs; April 26, 1970) is a Slovenian-American former model who served as the First Lady of the United States from 2017 to 2021 as the wife of President Donald Trump.
Trump grew up in Slovenia (then part of Yugoslavia) and worked as a fashion model through agencies in the European fashion capitals of Milan and Paris. After she moved to New York City in 1996, she continued her modeling career.
In 2005, Trump married the real estate developer and TV personality Donald Trump. She gave birth to their son, Barron, in 2006. Later that year, she became a naturalized citizen of the United States. Trump is the second naturalized woman — after Louisa Adams — and the first non-native English speaker to become First Lady of the United States.