Mema Mahone is Austin's grandma and she is the mother of Michele Mahone and Lisa McQueen. She died in 2012 to cancer. Austin was very close to Mema and wrote a song about her in 2015, "Not Far".
Austin Mahone ThisIsNotTheAlbum 18 - Not Far (a song for Mema)
Austin Mahone and Mema SwagSteppin Lol dancing
Haha goodtimes signing posters with Mema and my stalker mom austin mahone