...you...a family? don't be absurd
Of course you are! and yes, i've noticed a lot of places tend to only refer to families by surname if it has a male-adult...blergh
I think you need to find a really obscure parenting thing you love (for me, it was babywearing :P ) and then randomly start meeting up with people who have a similar love. And...well thats how i managed to create real-family branches.
[ok, non-bio family branches. but biology means diddly squat in this house. :-) ]