By CBS3 Staff

WILMINGTON, Del. (CBS) — President Joe Biden honored those Americans who made the ultimate sacrifice in service to our nation. He attended a Memorial Day service in Wilmington with his family — including his grandson, Hunter.

Hunter is the son of the late Beau Biden.

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The President told military families, “We must remember the price that was paid for our liberties.”

He also spoke about the pain of losing a child.

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Six years ago to the date President Biden’s son Beau, a veteran, died from brain cancer.

The Biden family visited Beau’s grave Sunday as well.

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The President will go to Arlington National Cemetery on Monday for an official Memorial Day observance there.