Jennifer Hudson and her family have offered a $100,000 (£64,770) reward for the safe return of her nephew, missing since Friday.

The Federal Bureau of Investigation (FBI) joined the search for seven-year-old Julian King on Sunday, after Hudson's mother and brother were found dead in their Chicago home with gunshot wounds.

And the Oscar-winning actress and family have now offered a reward for the safe return of Julian.

"Jennifer and her family appreciate the enormous amount of love, support and prayers they have received while she and her family try to cope with this tragedy and continue the search for Julian," added a statement from Hudson's representative Lisa Kasteler.

Chicago deputy police chief Joseph Patterson said on Saturday that the body of Hudson's mother, Darnell Donerson, was found on the living room floor while her brother, Jason Hudson, was found dead in a bedroom in the house.

Both bodies had fatal gunshot wounds and there were no signs of forced entry into the house, investigators added.

Julia Hudson, mother to missing Julian, made an emotional plea for the return of her son at a weekend conference, saying: "All I ask, I don't care who you are, just let my baby go. Please, I just want my son."

Her sister Jennifer has now updated her MySpace page to thank fans for their support during this difficult period for the Hudson family.

"Please keep praying for our family and that we get Julian King back home safely," she wrote.

"If anyone has any information about his whereabouts please contact the authorities immediately"

She also included a picture of her nephew in what he was last seen wearing.

Jennifer Hudson's career was launched after her appearance as a contestant on American Idol in 2005.

She then won an Oscar for her performance in Dreamgirls and was also seen in hit film Sex And The City.

27/10/2008 08:10:40