According to Facebook, the family reached out to Martin to see if she had any information about Simmons' whereabouts since taking the picture.
'She is NOT with him and we do NOT know if he is in that same spot but we have MULTIPLE people heading to that area,' they wrote.
Family members then headed to D.C. to locate the man. It was not immediately clear how Simmons got to the city.
The image of Simmons was one of 126 photos moved by the AP depicting cold weather across the country, showing just how lucky he and his family were that the newspaper's picture desk chose that photo.
After spotting the image at around 10:50 a.m. on Sunday, Simmons' sister Hannah Simmons tweeted at the USA TODAY reporter who wrote the story, Natalie DiBlasio.