Tip: When beginning a new sentence capitalize the first letter :) Also, capitalize the letter "I" at all times. 

Correction:

My family.

This is my first time writing in my notebook.
I have a big family. In my family I have, one brother, one sister, my mother, and father. My mother has 11 siblings. My father has many brothers, but I do not know the exact amount. I am currently working as I type. English is not my native language, so if there is someone out there who could correct my entry I would highly appreciate it.

Keep up the great work! :)