You will get full education allowances, once your are married, for her dependent.
Bloggs brings up a very good point. Currently, CX covers dependants for an amount that contributes to emergency hospital care. To give you a widely reviewed example...a spouse needing an emergency operation can cost you $100K+ as it did a friend because she couldn't last till she got to australia according to the specialist. So where ever you are living, get some private dependant medical coverage,