Complex sentence: Alexander Carragh Mac Domhnaill, or MacDonald in Scotland, 5th of Dunnyveg (c.1480--1538), a Scoto-Irish chieftain, who was the son of John Cathanach MacDonald, 4th of Dunnyveg and Cecillia Savage, daughter of the Lord of the Ardes.
Split into simpler sentences: Alexander Carragh Mac Domhnaill, or MacDonald in Scotland, 5th of Dunnyveg (c.1480--1538) was a Scoto-Irish chieftain. He was the son of John Cathanach MacDonald, 4th of Dunnyveg and Cecillia Savage, daughter of the Lord of the Ardes.