London, July 31 - The name of Jude Law's unidentified pregnant girlfriend is out - aspiring actress and Florida model Samantha Burke.

'Burke can confirm that she did in fact have a relationship with Law and that she has informed him that she is expecting his child later this fall. Since informing Law of the pregnancy, he has been nothing but responsive and supportive of Burke and the pregnancy,' people.com quoted Burke's lawyer as saying.

Recently Law, who has three children with ex-wife Sadie Frost, announced that he was expecting a fourth child with an unidentified former lover whom he met during Christmas in New York while working in the new movie 'Sherlock Holmes'.