Is Ali MacGraw Jewish?

Actress Ali MaGraw shares how she discovered she may in fact be Jewish as her grandfather was Morris Klein who emigrated from Hungary in 1880.
Possible?
‪@santafejewishfilmfestival2693‬ Novemner 2017

[@margogreene]

I was madly in love with her brother! He was a sweet man, gifted artist, and absolutely gorgeous. Sadly, he died way too young.

[@JK-kv1xl]

Ali MacGraw Jewish or non Jewish a stunner in her youth and still looks great at 85!