Complex sentence: Ribbing was the daughter of the nobles Seved Svensson Ribbing and Anna Gyllenstierna and lady-in-waiting to Queen Dowager Christina of Holstein-Gottorp.
Split into simpler sentences: Ribbing was the daughter of the nobles Seved Svensson Ribbing and Anna Gyllenstierna. She was a lady-in-waiting to Queen Dowager Christina of Holstein-Gottorp.