Washington (CNN) First lady Melania Trump and President Donald Trump will welcome beneficiaries of Trump's tax cuts and families who have lost loved ones at the hands of the MS-13 gang to the State of the Union address Tuesday night.

The first lady will sit with the 15 guests in her own box in the Capitol, the White House announced Monday. Guests of the first family have long been a tradition at State of the Unions. They typically illustrate the President's agenda and achievements and provide some insight into what the President will focus on his address.

All of the President's children will be in attendance Tuesday, with the exception of Trump's youngest, Barron Trump, press secretary Sarah Sanders told reporters.

Here's who will join the first lady on Tuesday night:

Elizabeth Alvarado, Robert Mickens, Evelyn Rodriguez and Freddy Cuevas

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