Complex sentence: While Roma, Ashkali, and Egyptians claim ethnic differences between them, they frequently intermarry, while overall marriages between Roma and non-Roma (Gadje, "outsiders") are extremely rare.
Split into simpler sentences: While Roma, Ashkali and Egyptians claim ethnic differences between them, they frequently intermarry. Roma weddings to non-Roma (Gadje, "outsiders") is extremely rare.