Написать рассказ о родственнике на английском

My family is quite big. I have got a sister and a brother, grandparents, two aunts, an uncle and three cousins. I like when we gather all together for dinnner. But I want to write about my elder sister. Her name is Kate and she is twenty years old. Kate is tall and has got long dark hair and black eyes. She is very beautiful. Kate studies at the University. She studies foreign languages and wants to be a translator in future. My sister is so smart! She always helps me with my homework. Kate is also my best friend and I`m very proud of my sister.