Otto Frank is clearly the most sensible, gentle, generous and mature among all the characters mentioned in ‘The Diary of a Young Girl’. He is an ideal and caring father. He is also an understanding husband and an enlightened and informed man of his times. Anne adores her father and considers him her role model. As a father Otto Frank shows a good understanding of both his growing daughters. He is a wise man of the world who knows how to preserve and protect himself and his family from the Holocaust. He spreads rumours that they are shifting to Belgium or Switzerland to avoid persecution from the Nazis. He brings his family, the Van Daans and Mr. Dussel into a hiding in a secret annex of his office. He makes arrangements for the food, medicines and other commodities needed for a longhiding. Otto is a smart, resourceful and a talented businessman. He is clearly ahead of all his peers. He is the only resident of the annex to survive the war and the Holocaust.
Otto Frank has special relationship with his younger daughter Anne. He is gentle and understanding. He supports Anne and takes her side during family arguments. He is levelheaded and generous to Anne while the other adults are selfish and stingy. Anne tries to impress him and live up to his expectations. However, the age difference and the generation gap surface and keep them separated. She can share her innermost feelings and cravings for physical love only to a boy-friend like Peter. She is disappointed when her father advises her not to develop her intimacy with Peter. He advises her to restrain herself in such matters. Anne sadly finds her father so conservative and secretive about sexuality
