The other day, netizen "Tutu Godmother" posted on her blog the first-ever-exposed photo of Obama's sister-in-law. This netizen wrote in her blog: With Obama successfully elected as the US President and about to take office, the whole world has shifted its attention to the US, to Obama. There have long been rumors that Obama has a fraternal brother (Mark) who lives in Shenzhen, China and has married a Chinese wife, but this brother remains mysterious and has not yet been exposed.