There's no "legal" age for how old you have to be to have a baby. Its more of what age society as a whole "approve of" for the 'right' age. Most people would say that you should wait until you are atleast in your 20's before having a child. There is no benefit for the mother to have a child at 16 years old, and you are only hurting the child in the long run by having a child at such a young age.
Yes.
No, age of consent is 16.
No, the age of consent there is 16.
YES
It depends which country or state you live in, however, in general, the age of consent is 16, so no, he probably can't get in trouble
By getting her pregnant.
You might have trouble getting pregnant.
yup
Yes. The trouble you can get in is when her dad and brothers find out. You will be in big trouble.
I knew I shouldn't of let you date my daughter!
He can be charged with sexual misconduct, the penalties of which can be four or more years of prison.
No, you are in luck since she is over 16.