Otto frabk was the father of anne frank .He was the only one whom anne loved the most .otto frank married anne's mother wher he was 36. He was responsible he knew that his family will be in danger in Germany so he took them and got settled in Holland.he was given respect too , his office people helped him in hiding them .he loved his daughters the most...( if you need to add some more information then you can add some instances from the novel)