Complex sentence: Nick and Sharon were quickly married and had a son, Noah (Robert Adamson), and they later gained custody of Cassie (Camryn Grimes); the baby Sharon had as a teenager, who she gave up for adoption.
Split into simpler sentences: Nick and Sharon were quickly married and had a son, Noah (Robert Adamson). They later gained custody of Cassie (Camryn Grimes), a baby Sharon had as a teenager but gave up for adoption.