As a member of the Spencer family, he is a distant relative of the war-time Conservative Prime Minister Sir Winston Churchill (the first cousin of his great-grandfather The 9th Duke of Marlborough).
Sebagai anggota keluarga Spencer, ia adalah kerabat jauh dari Perdana Menteri Konservatif masa perang Sir Winston Churchill (sepupu pertama kakek buyutnya Duke ke-9 dari Marlborough).