Mason inherited his father 's properties upon his death in 1792 .
At age 23 in 1780 , Mason 's eldest son George Mason V inherited Mattawoman from his maternal grandmother , Sarah Eilbeck .
Mason inherited Mason 's father 's properties upon his death in 1792 .
At age 23 in 1780 , Mason 's eldest son George Mason V inherited Mattawoman from his maternal grandmother , Sarah Eilbeck .