When Eli Sagir showed her grandfather, Yosef Diamant, the new tattoo on her left forearm, he bent his head to kiss it.
Mr. Diamant had the same tattoo, the number 157622, permanently inked on his own arm by the Nazis at Auschwitz. Nearly 70 years later, Ms. Sagir got hers at a hip tattoo parlor downtown after a high school trip to Poland. The next week, her mother and brother also had the six digits inscribed onto their forearms. This month, her uncle followed suit.