Jennifer Hudson whose mother and brother was shot and killed in their home in Chicago on Friday.

Her seven year old nephew Julian King has been missing since the double homicide.

Today Jennifer has offered a $100,000 reward for the safe return of her missing nephew.

The FBI has been brought in to help try to find Julian.

Meanwhile, William Balfour, the estranged husband of Jennifer Hudson’s sister, Julia, and stepfather to her son, has been arrested and named as a suspect in the double murder. But he hasn’t been charged.

Jennifer wrote on her MySpace blog today:

‘Thank you all for your prayers and your calls. Please keep praying for our family and that we get Julian King back home safely,’ the blog entry said. If anyone has any information about his whereabouts please contact the authorities immediately … Once again thank you all for being there for us through this tough time.’