As the eldest Biden dog and a veteran of DC political life, Champ will show his younger brother the ropes. Sasha and Malia Obama were promised a pet if their dad became president, and Biden made the same commitment to wife Jill Biden, who would tape photos of dogs onto the campaign plane seat in front of her husband, according to Politico. True to his word, the couple adopted six-week-old Champ from a breeder in Chester County, Pennsylvania around a month after Barack Obama won the 2008 …

https://www.washingtonian.com/2020/11/08/meet-joe-bidens-dogs-presidential-dogs-champ-and-major/