The house 's first royal resident was George FitzRoy , 1st Duke of Northumberland , the illegitimate son of Charles II and Barbara Palmer , 1st Duchess of Cleveland .
Head entity: barbara palmer, 1st duchess of cleveland Q235092 22 23 24 25 26 27 28
Tail entity: george fitzroy, 1st duke of northumberland Q2346374 7 8 9 10 11 12 13
Relation (head \u2192 tail): P25
Inverse relation (tail \u2192 head): P40