Question

What was the age of Anne and her sister? What was her name.?

Answer 1

Anne was 19 age at death. And at age when she wrote at age 13 years old.
And her sister name was Margot Frank was elder sister of Anne Frank.
Margot Frank died sometime in February 1945 at the age of 18 due to typhus.

Answer 2

Anne was 13 years old when she started writing diary and died in 19 years old. Her sister name was Margot.Margot was 16 years old. Anne considers her diary as her best friend. So she name it as Kitty. Anne believes that paper is more patient than the man that's why she started writing diary.