Peace, until you told me that the first one was the Lord's Prayer, I had no idea. I don't think the language are that similar, to tell you the truth.
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Snuffy, that was interesting about German "welsch" referring to Italians. As it happens, I just visited Italy, and much about it did indeed seem foreign. For example, the idea that it's all right to ram a pedestrian with your moped going 25 mph if only you honk from ten feet away.