Etheridge had recently revealed on an Australian talk show that she considered asking Pitt to donate his sperm to her and then-partner Julie Cypher, reports aceshowbiz.com.
However, Etheridge shared that she eventually used singer David Crosby as a donor to conceive her now teenage children Bailey and Beckett. But now, Jolie is suspicious that her husband could be the real father of Etheridge's children.
�Angie wants closure on the issue, so she's demanding Brad undergo a paternity test. But Brad says Angie is being paranoid,� a source told an American tabloid.
According to the source, the "Maleficent" actress warned her husband that if he didn't take a DNA test, she would "go straight to Melissa and demand answers." (IANS)