It appears that we are talking about the same Andrew Hnath. On the 1920 Census for Linden, NJ Andrew Hnath that I'm referring to has a son Andrew born 1918 and he is a grocer. His wife at that time was Viola. Probably Veronica. I'm not directly connected to this line but a recently discovered Chanda cousin is. I do have information on this Hnath line to share with you.