name a office holder whose predecessor is william fitzwilliam and has son named john paulet ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_predecessor dbr_William_FitzWilliam,_1st_Earl_of_Southampton sep_dot var_uri dbo_child dbr_John_Paulet,_2nd_Marquess_of_Winchester sep_dot var_uri a dbo_OfficeHolder brack_close