Phi Kappa Sigma:
Delta Psi
ad
Sigma Chi: (LOADS nearly every other relative)=South
Kappa Kappa Gamma:Grandma
Tri Delt: mom
Pi Beta Phi: grandma
Kappa Alpha:uncle
ATO:uncle
Delta Kappa Epsilon: Uncle
Sigma Alpha Epsilon grandpa
Chi Omega:aunt
theres probably loads more but thats all I can remember for now