Maya Soetoro-Ng is the half-sister of President Barack Obama. Soetoro-Ng and President Obama have different fathers, but share the same mother, Ann Dunham.NY Times: All in the Family (January 20, 2008) Their grandmother, Madelyn Dunham, died of cancer on November 3, 2008, only a day before her grandson was elected president.Washington Post: Obama's Grandmother Dies (November 3, 2008)
Soetoro-Ng actively campaigned on her half-brother's behalf for the 2008 election. She spoke briefly at the Democratic National Convention in Denver, Colorado on August 25, 2008.The Rocky Mountain News: DNC Speaker Lineup Taking Shape (August 15, 2008)