First lady Jill Biden attended the Delaware gun trial of first son Hunter Biden on Monday.

The trial, concerning a 2018 purchase of a firearm, is the first of two high-profile trials the younger Biden is facing during the final months of the 2024 general election.

Hunter Biden’s federal tax trial will begin in September after being delayed in May.

President Joe Biden himself has kept his son’s legal troubles at arm’s length, and he is not expected to attend either of Hunter Biden’s two trials this year. The president is slated to travel to France on Tuesday to commemorate the 80th anniversary of D-Day.

“I am the president, but I am also a Dad,” Joe Biden wrote in a statement Monday morning. “Jill and I love our son, and we are so proud of the man he is today. Hunter’s resilience in the face of adversity and the strength he has brought to his recovery are inspiring to us. A lot of families have loved ones who have overcome addiction and know what we mean.”

“As the president, I don’t and won’t comment on pending federal cases, but as a Dad, I have boundless love for my son, confidence in him, and respect for his strength. Our family has been through a lot together, and Jill and I are going to continue to be there for Hunter and our family with our love and support,” the president said.

The first lady, Ashley Biden (Hunter Biden’s sister), and Melissa Cohen Biden (Hunter Biden’s wife) all attended Monday’s proceedings. Jill Biden arrived at the courthouse just before 9 a.m. on Monday, wearing a purple suit.

“Happy birthday,” Hunter Biden reportedly told the first lady, who turned 73 on Monday. “I got you a special event.”

David Weiss, the special counsel leading the prosecution, alleges that Hunter Biden lied on a federal form about his then-ongoing drug use before purchasing a gun. Hunter Biden is pleading not guilty to the three related charges but could face up to 25 years in prison if convicted.

The first lady is steadily ramping up her campaign appearances ahead of Joe Biden’s tight reelection race against former President Donald Trump.

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Democratic strategists previously told the Washington Examiner that the first lady’s appearances on the campaign trail are critical for humanizing the president and helping his campaign connect with less politically inclined demographics.