Ask an Immigration Solicitor. Get an Answer ASAP.
I can help you for your concerns.
you have explained that your daughter is 16 years old. she can get marry but she requires parents consent.
she will have to send this consent letter with spouse visa application.
I hope it will help you
please give positive rating
she is eligible to get marry with parents consent.
if she wants to bring her husband in UK then she will have to show that she is earning £18600.
she will have to provide 6 months pay slips and bank statements.
UK embassy will consider her application and hopefully she will get good response if she will fulfil all requirements.
i hope it will help you