Complex sentence: Mason is the scion of one of Baltimore, Maryland's most wealthy, politically connected families; his father, Molson, founded a meat packing company that grew into a financial empire by the time of Mason's birth.
Split into simpler sentences: Mason is the scion of one of Baltimore, Maryland's most wealthy, politically connected families. His father, Molson, founded a meat packing company that grew into an empire by the time of Mason's birth.