Earl of Pembroke | Pembroke Parish | Pembroke | Pembroke College, Cambridge | Pembroke College | Earls Court | Pembroke College, Oxford | Aymer de Valence, 2nd Earl of Pembroke | William de Valence, 1st Earl of Pembroke | Earls Court Exhibition Centre | Richard de Clare, 2nd Earl of Pembroke | Richard Marshal, 3rd Earl of Pembroke | Pembroke School, Adelaide | Flight of the Earls | Earls Colne | Robert Herbert, 12th Earl of Pembroke | Revolt of the Earls | Pembroke Pines, Florida | Pembroke Pines | Jim Pembroke | George Herbert, 11th Earl of Pembroke | Anne Herbert, Countess of Pembroke | William Marshal, 2nd Earl of Pembroke | William Herbert, 3rd Earl of Pembroke | The Pembroke Hill School | Philip Pembroke Stephens | Percival Pembroke | Pembroke School | Pembroke, Pembrokeshire | Pembroke, North Carolina |
Through his paternal grandmother, he is a descendant of the Earls of Pembroke and the Vorontsov family.
Smith was the son of William Smith, 3rd Viscount Hambleden, and his wife, Patricia née Herbert, a descendant of the Earls of Pembroke and the Vorontsov family.