Complex sentence: He was first employed in the traffic manager's office of the Richmond, Fredericksburg and Potomac Railroad, where his grandfather Peter V. Daniel, Jr. had served as president from 1860 to 1871.
Split into simpler sentences: He was first employed in the traffic manager's office of the Richmond, Fredericksburg and Potomac Railroad. His grandfather Peter V. Daniel, Jr. had been president of the railroad from 1860 to 1871.