Jennifer Hudson is offering a $100,000 award for her missing nephew - following the death of her mother and brother.

The Dream Girls star – whose mother and brother were found shot dead in their Chicago home on Friday – urged fans on her MySpace blog to come forward with any information on seven-year-old Julian King.

The estranged husband of Jennifer's sister Julia Hudson and stepfather to Julian has been named as a suspect in the tragic crime.

William Balfour is suspected of murdering Jennifer's mother and brother and kidnapping her nephew

Presidential candidate Barack Obama has given his heartfelt condolences:

“Michelle and I were absolutely heartbroken to learn about this unimaginable tragedy and we want Jennifer to know that she is in our thoughts and prayers during this very difficult time.

“We also pray for the swift and safe return of her young nephew.”