How to use "origins" in a sentence

To those old allies whose cultural and spiritual origins we share, we pledge the loyally of faithful friends

However, his features were large, square, and utterly without evidence of patrician blood, and even after the mellowing influences of elocution teachers, his naturally low, gravelly voice belied his origins in a rough Brooklyn neighborhood.

Part of this antagonism between them rose because they had been born into utterly different worlds and were equally proud of their origins - as well as disdainful of all others