Courtney Green is trying to raise awareness through TOWIE about TAY SACHS disease in honor of her gorgeous nephew Marley who was diagnosed this year. The Only Way is Essex star Courtney Green has been blessed with three beautiful nephews in her family. Happily welcoming the most recent boy on August 10, this year has also proved to be challenging: her middle nephew was sadly was diagnosed with Tay Sachs disease. In a sweet video shared by TOWIE, Courtney gets to spend some quality time with the little ones. Courtney gave heartbreaking statement about Tay SachsIn a heartbreaking statement in ea…