Johannes Hermann Zukertort was born Jan Herman Cukiertort, in Lublin on the 7th of September, 1842. His father was Yenkel Cukiertort, a Lutheran missionary and his mother was Baroness Krzyzanovska. Jan had a brother, Adolf.
Yenkel was converting Jews in Lublin to Christianity. This was illegal activity and put him in danger. The family decided to move to Warsaw where it was safer for them.
They later moved to Lodz, Poland before eventually being expelled from Russian territory in 1855. They then settled in Breslau, Prussia. Here they could speak Polish and conduct their lives and affairs using Polish rather than Russian as was required in Russian Poland.
It was here that the family changed their name from Cukiertort to Zukertort. Yenkel taught Johannes to play chess in 1858.