I don't think I've updated my list since my nieces pledged/initiated so here goes:
Me: Alpha Gamma Delta
Brother 1 - PiKA
Wife of Bro 1 - Delta Gamma
Niece - ADPi
Brother 2 - Signma Nu
Ex-Wife of Bro 2 - ADPi
Niece - Kappa Delta
2nd Wife of Bro's Daughter- AOPi (I think)
Hubby's sister's son's wife: Sigma Kappa - (They've been together about 10 years but this is the first I knew she was a SK when I just read it on FB.)