Kunijirō

is a rich jeweler who started off poor and is old acquaintance of Tsunade. When his only son, Kunihisa wanted to find out what it meant to be a ninja, he asked Tsunade to show him what a life as a ninja was like, and Naruto Uzumaki was given the job.

Past
At some point of his life, Kunijirō married his future wife, and later, the couple had a son, Kunihisa.

At some point, his wife died.