自我介绍用英语怎么说?

我家庭的成员有爸爸妈妈哥哥和我. There are four people in my family.They are my father,my mother,my brother and I.

Our family has 4 menbers,my father,my mother,my brother and I.

There're 4 menbers in my family,my father,my mother,my brother and I.

自我介绍 self-introduction
或者introduce myself

Members of our family have elder brothers , Papa and Mama and me.