Entries for all brothers together are split equally; only your share is shown.
New names typed in an entry are added here automatically. Removing a name only removes the suggestion; old entries keep it.
Each brother sees only his own balance and statement. He can't add, edit or delete anything.
Import from the old app
Choose the backup file you downloaded from the old Claude app (Lists & backup → Download backup). Entries already imported are skipped.
All data lives in your Google Sheet. To get an Excel copy, open the Sheet and use File → Download → Microsoft Excel.