Jill Biden shared some sad news on Saturday, as the First Lady of the United States revealed the beloved family dog Champ has died. MORE: The Queen hosts President Joe Biden and First Lady Jill Biden for tea at Windsor Castle – best photosChamp was a 13-year-old German Shepherd and will be sorely missed by the family.WATCH: Jill Biden and Kate Middleton stun in beautiful outfitsThe family welcomed Champ into their lives in 2008, after Joe Biden promised his wife they'd purchase a pooch if Barack