The cordial relationship between the Obamas and the Bidens extends beyond the former president and vice president.

It also includes their families, creating an intergenerational friendship.

Their relaxed stroll through the city, all smiles, demonstrated their comfortable and long-standing friendship.

Malia Obama pictured on a walk

Sasha, who was missing from the fold, was attending college at the time of the outing.

Having lived close to the Obamas, she knows more than mostwhat life is like for the Obama sisters.

Joe Biden, Michelle and Malia Obama walking

Malia and Sasha Obama at a ceremony in the White House