name a office holder whose predecessor is richard de willoughby and has son named henry scrope ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_predecessor dbr_Richard_de_Willoughby sep_dot var_uri dbo_child dbr_Henry_Scrope,_1st_Baron_Scrope_of_Masham sep_dot var_uri a dbo_OfficeHolder brack_close