Ghana had ridden its luck against the Congolese Leopards in Oyem before Jordan opened the scoring just after the hour mark with a superb strike.
DR Congo was quickly and deservedly level when Paul-Jose Mpoku scored with a swerving shot from just outside the penalty area, arguably the goal of the tournament to date.
But in the 78th minute, Joyce Lomalisa made a clumsy foul on Christian Atsu to concede a penalty.
Andre Ayew sent Levy Matampi the wrong way with his spot kick to complete the fraternal double and ultimately earn his side a last four clash with Cameroon in Franceville next Thursday.
The other semifinal will be between Burkina Faso and Egypt, which beat Morocco 1-0 in the final last eight match later Sunday.
The Ayews are the sons of Ghana football legend Abedi ‘Pele’ Ayew, ranked among the greatest African footballers of all time.
Ghana, runner-up in the last competition, is…