SELECT
ST.First_Name AS Student_First_Name,
ST.SURNAME AS Student_Surname,
ST.STKEY,
ST.FAMB AS Alternative_Family_ID,
DF.Name_A AS Parent_A_First_Name,
DF.SURNAME_A AS Parent_A_Surname
FROM ST INNER JOIN DF ON ST.FAMB = DF.DFKEY
WHERE NOT FAMB = '' AND ST.STATUS = 'FUT'