After three emotionally fraught days of seeking to redress more than 60 years of separation, the reunion ended on the most traumatic note of all -- a goodbye that for most of the elderly participants marked the last time they will ever see each other.
Around 1,000 relatives from both sides took part in the week-long event -- a tiny fraction of the tens of thousands wait-listed for a reunion slot.
The two Koreas had agreed to the reunion as part of a deal brokered in August to ease tensions that had pushed them to the brink of armed conflict.
The fact that it went ahead as scheduled had encouraged those who hoped the deal might usher in a period of detente, but the inherent volatility of North-South ties was underlined on Saturday by an incident on their disputed maritime border.
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It was a minor spat, with a South Korean naval vessel firing warning shots at a North Korean patrol boat that had strayed across the border and promptly returned.
The accord had also envisaged the resumption of official talks between the rival Koreas, but there has been no sign to date of such a dialogue getting under way.
The latest reunion, meanwhile, ended with no commitment as to when the next one might be held.
Given that there are more than 65,000 South Koreans currently on the waiting list for a reunion spot, those selected represent a very fortunate minority.
But today's scenes of relatives clinging to each other and weeping at their final breakfast meeting underlined the emotional cost that gatherings exact.
Among those reunited over the last three days was Lee Bok-Soon, 88, and the son she had not seen since he was abducted by the North in 1972 while on a fishing boat in the Yellow Sea.