Do I give my children 1099's? Have a small business (no employees) except my children. Each made less than 2k. but I want to deduct the expense if possible.

I have a very small business with no employees except I occasionally pay my children to help. They are 16, 17 and 22. They each have no other income except for around 2k they each made working for  me on a small contract I had last year. 

Can I deduct this as a business expense? Do I give them 1099's?