Complex sentence: Livy I.4.2 Numitor's grandchildren Romulus and Remus were born.They would go on to overthrow Amulius and reinstate Numitor as king of Alba Longa in 752.
Split into simpler sentences: Livy I.4.2 Numitor's grandchildren Romulus and Remus were born. They overthrew Amulius and reinstated Numitor as king of Alba Longa in 752.