Complex sentence: Howard was popular with Henry VIII, and was deputy Earl Marshal at the coronation of Henry's second Queen, Anne Boleyn, the daughter to Howard's elder half-sister Elizabeth Boleyn, Countess of Wiltshire.
Split into simpler sentences: Howard was popular with Henry VIII of England, and was deputy Earl Marshal at the coronation of Anne Boleyn. Anne was daughter to his elder half-sister Elizabeth Boleyn, Countess of Wiltshire.