Only if four conditions are met.
1) Your daughter and her husband MUST file as Married Filing Separate
2) If your daughter will be filing a tax return, then she MUST select the option to indicate that she can be claimed on someone elses tax return.
3) Her husband can NOT claim her for anything, even though he's filing as married filing separate.
4) You daughter MUST be under the age of 24 on Dec 31 of the tax year you are claiming her for.
