PERSON@1 , 4th Duke of LOCATION@1 , KG , PC -LRB- NUMBER@1 May NUMBER@2 NUMBER@3 October NUMBER@4 -RRB- , styled Lord PERSON@2 before NUMBER@5 and Marquess of Hartington between NUMBER@5 and NUMBER@6 , was a MISC@1 statesman who was briefly titular Prime Minister of LOCATION@2 .

PERSON@1 , 4th Duke of LOCATION@1 , KG , PC -LRB- NUMBER@2 - NUMBER@3 October NUMBER@4 -RRB- was a MISC@1 statesman who was Prime Minister of LOCATION@2 for a short period of time .
