Alexandra Wright, a woman in her late thirties, has filed a claim at Los Angeles court in which she asserts that Matthew Knowles (58) is the father of her unborn child.

Wright, who works in the branding business, is in the sixth month of pregnancy. Beyonce's father is married to Tina Knowles since the 1980 and was not available for comment regarding this case, the U.S. website TMZ, reports.

Mathew was the manager of the band Destiny's Child in which his daughter, Beyonce, sang. He also founded a publishing house Music World Entertainment.