User blog comment:Damac1214/Black Ops II - Rank Progression details revealed/@comment-5025139-20120909095854/@comment-32237267-20120912085854

Mason's dad, Dot, hates him since he never came back from the war to meet his dying mother.

He has several sisters ('dunno how many), one of which is Marion, who is in Reiner with a husband, Marshall, and kids.

So, he has parents (duh), sisters, nephews, nieces, a son and a wife.