what is the fictional character which belongs to families of martin family and martin family ?
SELECT DISTINCT var_uri where brack_open var_uri dbp_family dbr_Martin_family_ attr_open All_My_Children attr_close sep_dot var_uri dbp_family dbr_Martin_family_ attr_open All_My_Children attr_close sep_dot var_uri a dbo_FictionalCharacter brack_close