The similarity of vocal tones and sound among siblings is a phenomena that exists EVEN WHEN YOU DON'T GROW UP AMONGST YOUR FAMILY MEMBERS, and this is shown in the story of Caty Sage, a child born in Virginia in the 1800's and raised by a Wyandot tribe.

One of Miss X's maternal grandfathers was born at the base of the Appalachian mountains in Western PA, and tonite, on Night owls radio, we remember Caty Sage, from an Appalachian  family of 17 children.