Complex sentence: Insult is added to injury for Richard, as Priscilla disowns and divorces him due to his infidelity, and Eddy becomes Priscilla's lover and substitute father to Richard's child.
Split into simpler sentences: Insult is added to injury as Priscilla disowns and divorces Richard due to his infidelity. Eddy soon becomes Priscilla's lover and a substitute father to Richard's child.