Bush is the eldest son of Barbara and George H. W. Bush, and the second son to become the American president after his father, the first being John Quincy Adams. After graduating from Yale University in 1968 and Harvard Business School in 1975, he worked in the oil industry. Bush married Laura Welch in 1977 and unsuccessfully ran for the U.S. House of Representatives shortly thereafter. George Walker Bush was born on July 6, 1946, at Yale–New Haven Hospital in New Haven, Connecticut, while his father was a student at Yale. He was the first child of George Herbert Walker Bush and Barbara Pierce. He was raised in Midland and Houston, Texas, with four siblings, Jeb, Neil, Marvin and Dorothy. Another younger sister, Robin, died from leukemia at the age of three in 1953. The couple settled in Midland, Texas. Bush left his family's Episcopal Church to join his wife's United Methodist Church. On November 25, 1981, Laura Bush gave birth to fraternal twin daughters, Barbara and Jenna.