technically according to the eula u cannot take over her account. sorry for ur loss btw.
Technically according to the EULA, you can transfer ownership of an account to someone else.
OP,
I am sorry for your loss...
Please submit a ticket you can find the link in my signature. I cannot promise anything but I am sure something can be worked out.
If you have any questions, please feel free to send me a message.
-TunaShake.