Conversation so far:
Where and when was Josef Mengele born?
Josef Mengele was born on 16 March 1911 to Walburga and Karl Mengele in Günzburg, Bavaria, Germany.
Did Josef Mengele have any siblings?
Josef Mengele was the oldest of three children; his two younger brothers were Karl Jr. and Alois.
What kind of education did Josef Mengele receive as a child?
Josef Mengele was successful at school and developed an interest in music, art, and skiing. He completed high school in April 1930 and went on to study philosophy in Munich
Was Josef Mengele ever married?
On 28 July 1939, Josef Mengele married Irene Schönbein

Question: Did they have any children?
Self-contained rewrite: Did Josef Mengele and his wife Irene Schönbein have any children?