I am in the beginning stages of a family tree of my grandfather whose name is Raymond Peter Hetzel, b. 5 Oct 1917, Austin, Tx. currently living in Albuquerque, NM.His younger brother's name is Harvey L. Hetzel, currently living in Houston ,TX.They were the only children of Peter C. Hetzel and Agnes Pavliski.The father of Peter C. was also Peter C. Hetzel married to ??. Other children of this Peter C. are Mary, Lula and Anna. This is how far back we have gotten. We are missing dates and important info. Please help.