GH:Elizabeth Webber Spencer Morgan Corinthos?

okay so in celebration of lizzard finally leaving town. i need a few questions answered...quick 10 easy. 1. there is a xander on gh and one on amc...is this the same man? and if so does this mean that cameron and miranda montgomery are half siblings? 2.Where is baby lila rae? I read something about her being with rae. 3. Has anyone from llanview or pine valley ever took a trip to pv? 4. How old is dante?and why is he with boohoo? 5. Where did spinelli come from?and who are his parents and does he know that he is extremely retarded? 6. Is jason really a heir to the quartermaine fortune? 7.what did courtney exactly die of? 8. If carly hates sonny why does she keep ruining his love life?she still loves him. 9. Would brenda win a fight against carly? 10. Where is laura? 11.why did georgie and maxie's parents abandon them? 12.is courtney alive and just hiding out with the mitch lawrence cult?