Donald John Trump (born June 14, 1946) is the 45th and current president of the United States. Before entering politics, he was a businessman and television personality. In 1977, Trump married Czech model Ivana Zelníčková. They have three children, Donald Jr. (born 1977), Ivanka (born 1981), and Eric (born 1984), and ten grandchildren. Ivana became a naturalized United States citizen in 1988. The couple divorced in 1992, following Trump's affair with actress Marla Maples. Maples and Trump married in 1993 and had one daughter, Tiffany (born 1993). They were divorced in 1999, and Tiffany was raised by Marla in California. In 2005, Trump married Slovenian model Melania Knauss. They have one son, Barron (born 2006). Melania gained U.S. citizenship in 2006.