Which character was the last to join the annex in the diary of anne frank?

Anne Frank (obviously)

Margot Frank (Anne's sister)

Otto Frank (Anne's father)

Edith Frank-Holländer

The Van Pels Family:

(known as the Van Daan family in Anne's Diary)

Auguste van Pels

Hermann van Pels

Peter van Pels

Fritz Pfeffer (known as Albert Dussel in Anne's Diary)