He found out Edith had died shortly after he was liberated from Auschwitz. He found out Anne and Margot had died late June or early July of 1945.
Otto Frank, Anne's father.
The only survivor in Anne Frank's immediate family was her father, Otto.
Otto von Kerpen died in 1208.
Otto von Diederichs died in 1918.
All four members of the Frank family in hiding (Anne, Margot, Otto and Edith) were initially sent to Auschwitz from Westerbork. On 30 October 1944 Anne and Margot were transported to Bergen-Belsen, where they both died in March 1945. Edith Frank died at Auschwitz in January 1945, and Otto Frank survived in Auschwitz III.
Otto Frank, Anne's father.
i think he was 91 when he died and he was the last one from the frank family who died
Otto Stern died on August 17, 1969 at the age of 81.
Otto Weininger died on October 4, 1903 at the age of 23.
Anne's father, Otto Frank, was the only survivor of the Frank Family. Everyone else died.
Otto Fries died on September 15, 1938, in Los Angeles, California, USA.
Otto Witt died in 1923.
Otto Funke died in 1879.
Otto Jensen died in 1918.
Otto Overbeck died in 1937.
Otto Dahl died in 1978.
Otto Glaser died on July 18, 1956, in Vienna, Austria.