Kira Pohl was the son of Kira Taban and Kira Meru and the younger brother of Kira Nerys and Kira Reon. (DS9: "Wrongs Darker Than Death or Night")
Pohl often played springball with his brother and sister. (DS9: "Shadowplay")
The young Kira Pohl seen in "Wrongs Darker Than Death or Night" was played by an unknown infant actor.