Arnold Schwarzenegger is going to be a grandpa very soon! The 72-year-old actor appeared on on Tuesday and revealed when his daughter, Katherine Schwarzenegger, is set to give birth to her first child with her husband, Chris Pratt.«That is really exciting news to have Katherine now be pregnant and have a baby,» he gushed. «I don't know when exactly, but sometime this summer.
I'm really looking forward to playing around with whatever it is, she or he is, and have some fun. I think this is kind of a unique experience.»While he looks forward to having a grandchild to play with, Arnold has also been thinking about the famous gene pools the baby will be made up of.«Think about this for a second… There's three gene pools that you can do.
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