We'll start with Shannon
Shannon is friends with -
Julie is sisters with MARILEE and HEATHER
Julie's sister-in-law is LINDSAY
Lindsay is friends with ALYSHAJulie, Marilee and Heather are cousins with KACEY
Marilee is friends with LOUISE
Mandella, I don't remember where you fit in, so fill me in so I can remember!
I hope this helps! If I forgot anyone else I apologize for my stupidity!