'Matrix' star Keanu Reeves has agreed to undergo a DNA test after a woman claimed he's the father of her four grown-up children. Karen Sala,who is seeking millions in spousal and child support from the 'Speed' actor,filed suit against Reeves in May this year,seeking a paternity test to prove he fathered her offspring,who are all now in their mid-20s,TMZ.com reported. The actor denied he had a relationship with the Sala,and was seeking a court dismissal over the claims. But Reeves has now finally given in to her demands to officially verify whether he is the father by undergoing a DNA test during the next few weeks.