I'm heavily debating on not inviting two of my dad's three siblings. Parents have been divorced since I was 8, and my dads involvement in my life since then is very spotty-and his siblings involvement even less, haven't seen one since my parents split. Now the 3rd sibling, we kept in contact with and she is still very much family and I plan to invite her and her family. Normally I'd extend the olive branch. But with venue limitations I need the seats, and I don't care whether they come or not. Should invite or no?