"I will discuss with the North the basic responsibilities towards separated families, abductees and war prisoners," Unification Minister Lee Jong-seok said during a parliamentary session, the Korea Herald reports.
South Korea and North Korea are set to meet for four days of ministerial-level talks from beginning Friday in Pyongyang.
South Korea says 485 South Koreans have been kidnapped to the North.
Last Tuesday, Japan announced the result of a DNA test showing South Korean abductee Kim Yong Nam was the husband of Japanese abductee Megumi Yokota, who was kidnapped in 1977 at age 13.
The disclosure has triggered a debate regarding North Korea's past record on abductions and its constant denial of any wrongdoing.
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