He is the younger brother of James Aubusson, who also played for the Sydney Roosters. Aubusson played in the 2010 Grand Final against St. George Illawarra scoring a try in the Roosters' 32–8 loss. he played in the Sydney Roosters 2013 Grand Final against Manly winning the match 26–18. Early in the second half Aubo tackled Jamie Lyon without the ball, giving Manly a penalty try.[citation needed]