It seems that Swizz Beatz may have another child, but this one is in the UK.

According to Bossip, Jahna Sebastian, the mother of his third child claims that he hasn't been supporting the child and that he still hasn't signed the child's birth certificate - despite a paternity test that proves that the little girl is his.

An email sent to the I Am... London Diva blog last year in August 2009 which says that Beatz rocked up to the paternity test with Alicia Keys. Now at the time, Beatz was still married to Mashonda and he was showing up to claim for another child!? What madness is this?

Check out some of the excerpts of the letter:

Hey London Diva,

I am close friend of Jahna Sebastian, the mother of Swizz Beatz’s daughter. It’s ridiculous how celebrities turn out to be the opposite to what they portray to the public. Swizz Beatz might be busy getting ready for marriage and new baby with Alicia Keys, but he stopped paying child support to his only daughter with producer/singer Jahna Sebastian who resides in London.

Paternity has been established via DNA test taken in August 2009 and Alicia Keys was present. Jahna has maintained independent parental responsibility for two years trying to reach Swizz Beatz personally but received no response. She then sought attorney’s help and filed petition in July 2009. Swizz first time paid child support in September 2009 starting with $1500. Many people in UK and Russia already know about their two-year old daughter and it seems strange that he still would not publicly acknowledge her. Alicia seems to go along with it too.

In May Swizz did not attend his daughter’s birthday although he promised to through a Birthday Party. Two days later he was in London visiting his fiancé (Alicia Keys) who announced her pregnancy on 27th May when the same day he visited his daughter for three hours.

During the past year Jahna Sebastian and Swizz Beatz have been in and out of court but Swizz did not provide required information. They are going back into the court again very soon as Swizz is not behaving himself as a responsible father.

What do you think about Swizz Beatz supposed behaviour? Do you think that Alicia Keys should be worried!?

The couple looked fine this weekend at a charity dinner in New York with other celebrities.