My family got a lot bigger this year - a stepmother, two stepsisters, three (step) uncles complete with aunts, etc.
My own mother does not seem to be speaking to me, possibly because my partner and I did not see her for Thanksgiving. Mileage may vary.
My stepmother is actually quite cool. I could list some of her best traits, but...hey, what the heck, I might as well: she treats my dad as her equal, I can make her laugh, she is a dog-person, and she's nice to me.
My stepsisters are a bit...like...supermodels, but with good brains. Seriously, they tower over everyone in my family. Gorgeous stepsisters. Intimidating stepsisters. Twin stepsisters. Um...they're nice? You know? They're going to be successful in life. I just...don't have any frame of reference for relating to them. They're only ten years my junior.
Christmas should be very exciting this year. Certainly bigger.