Who President Trump invited to his first joint address to Congress

Meet the six people invited to join First Lady Melania at Trump's first address.

Here’s who will be joining First Lady Melania as guests of the White House tonight:

Megan Crowley

When Megan Crowley was only 15 months old, her parents learned that she was diagnosed with what could be seen as a death sentence—Pompe disease. A rare genetic disorder that causes the breakdown of muscle tissue, untreated Pompe disease can lead to early childhood death. The Crowleys learned that Megan wasn’t their only child who had Pompe disease; her younger brother Patrick tested positive as well.

Now 20 years old, Megan Crowley is a sophomore at her father’s alma mater, Notre Dame, where she said she studies with the assistance of a nurse.

Megan Crowley, escorted by her father John, will attend tonight.

Denisha Merriweather

As a child, Denisha Merriweather struggled with school and was held back twice in the third grade.

"I didn’t have hope, I dreaded going to school," Merriweather told ABC News.

When she reached the sixth grade, her godmother, Johnell Jones, enrolled her in the private school Esprit de Corps Center for Learning in Jacksonville with the help of Florida’s tax-credit scholarship program, which allows corporations to receive a tax break for donations to private schools and scholarship programs.

"I think it’s really great that the president will show how someone actually benefited from school choice, and I’m excited to be here tonight to represent the school choice movement and show how the federal government is moving to advance options," said Merriweather.

Maureen McCarthy Scalia

"She is really the ultimate representative of the late, great Justice Antonin Scalia, whose image and genius was in my mind throughout the decision-making process," said Trump.

Maureen Scalia was married to the late justice for more than 50 years, after they met as students at Harvard University.

Out on the campaign trail, Trump said that Maureen Scalia had a Trump sign in her yard and he promised to select a new Supreme Court justice in the vein of Scalia. Her presence tonight signals that Trump will not only honor Scalia’s memory through his widow, but also reinforce his selection of Gorsuch for the Supreme Court.

Gorsuch met with Maureen Scalia after Trump’s Supreme Court announcement.

Jessica Davis and Susan Oliver

In 2014, Detective Michael Davis and Deputy Sheriff Danny Oliver were killed in the line of duty in Sacramento, California. An undocumented immigrant is accused and will stand trial for the crime. Their widows, Jessica Davis and Susan Oliver, have been mentioned by Trump out on the trail and will join the First Lady tonight for his address.

The David-Oliver bill, introduced in the Senate by Trump’s now attorney general, Jeff Sessions, is named after the two men and is aimed at increasing cooperation between federal and local officials to enforce immigration laws. It would require states to notify the federal government of undocumented immigrants with criminal records.

Jamiel Shaw, Sr.

In 2008, Jamiel Shaw, Jr., a 17-year-old high school football star, was shot and killed near his home in Los Angeles by a gang member who was living in the United States illegally.

His father, Jamiel Shaw, Sr. has appeared with Trump at campaign events and even spoke during the Republican National Convention about losing his son. Shaw has praised Trump’s positions on immigration and his hardline approach to border security.