Complex sentence: His children by Rachel Lambert were a son Washington D.C. antiquarian Stacy Barcoft Lloyd III, daughter Eliza, by Alice Babcock son Robin Lloyd a writer and journalist who was an announcer for NBC.
Split into simpler sentences: His children by Rachel Lambert were a son, Washington D.C. antiquarian Stacy Barcoft Lloyd, III, and daughter Eliza. With Alice Babcock he had a son Robin Lloyd, a writer and journalist who was an announcer for NBC.