Hi,
Take a look at this query , it might help !
SELECT TOP (10) *
FROM
msdb.dbo.backupmediafamily AS fm
INNER JOIN msdb.dbo.backupmediaset AS ms ON fm.media_set_id = ms.media_set_id
INNER JOIN msdb.dbo.backupfile AS bf
INNER JOIN msdb.dbo.backupset AS bcs ON bf.backup_set_id = bcs.backup_set_id ON ms.media_set_id = bcs.media_set_id