| Monarch
| Lifespan
| Reign
| Relation to Predecessor
|
| George (Lee) II
| 1798-1871
| 1865-1871
| Brother of Henry II
|
| George (Washington Custis Lee) III
| 1832-1913
| 1871-1913
| Nephew of George II
|
| Robert (Edward Lee Jr.) I
| 1843-1914
| 1913-1914
| Brother of George III
|
| Robert (Edward Lee III) II
| 1870-1945
| 1914-1945
| Nephew of Robert I
|
| George (Bolling Lee) IV
| 1872-1951
| 1945-1951
| Brother of Robert II
|
| John (Fitzgerald Kennedy) I
| 1917-1963
| 1951-1963
| No Relation
|
| Robert (Edward Lee IV) III
| 1898-1969
| 1863-1969
| No Relation
|
| Robert (Edward Lee V) IV
| 1929-
| 1969-
| Son of Robert III
|