Hey everyone.! I'm from middle-class family. There are 5 member in my family. They are my father, mother,sister(married now),younger brother and me. My sister is the oldest, I’m the middle child and my brother is the youngest. In the last sentence I can't find out how to explain. Please help me and correct this. Thank you..

Hey everyone.! I'm from middle-class family. There are 5 member in my family. They are my father, mother,sister(married now),samll brother and me. My sister is big doughter. Or I'm second boy. And my brother small. In the last sentence I can't find out how to explain. Ease help me and correct this. Thank you.. Hey, everyone! I'm from a middle class family. There are five of us in the family: my father, my mother, my sister (who is married now), my little brother, and I. My sister is the eldest, I'm the middle child, and my brother is the youngest.