name the royalty whose spouse was archduchess elisabeth franziska of austria and one of his parent was karl ferdinand ?
SELECT DISTINCT var_uri where brack_open var_uri dbp_mother dbr_Archduchess_Elisabeth_Franziska_of_Austria sep_dot var_uri dbo_parent dbr_Karl_Ferdinand,_Archduke_of_Austria sep_dot var_uri a dbo_Royalty brack_close