Hola mi Harmona.... Deos ta a bendegia
my brother posted this on my facebook wall its almost my birthday and im not that good at spanish
Hola mi hermana, Dios te bendiga. Hello, my sister. God bless you.
Hello Madeline - welcome to the Forum!
What you have written in the title is not exactly correct Spanish.
I believe what your brother wishes to say is: "Hola mi hermana, Dios te bendiga", which means "Hello sister (mine), God bless you".