name the office holder who has a child named kathleen cavendish and resting place is brookline ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_child dbr_Kathleen_Cavendish,_Marchioness_of_Hartington sep_dot var_uri dbp_restingPlace dbr_Brookline,_Massachusetts sep_dot var_uri a dbo_OfficeHolder brack_close