Jacob Ruppert, Jr. (August 5, 1867 January 13, 1939), sometimes referred to as Jake Ruppert, was an American brewer, businessman and politician. Ruppert served in the United States House of Representatives and owned the New York Yankees of Major League Baseball, during which time he purchased Babe Ruth and built Yankee Stadium Ruppert's father was a brewer. After starting out in the family business, Ruppert entered the United States National Guard at the age of 19, eventually reaching the rank of Colonel. He was later elected to serve four terms in the United States House of Representatives from New York. Ruppert owned his own brewery, and purchased the Yankees in 1915, owning them for the rest of his life. Ruppert was born in New York City in 1867. His grandfather, a brewer from Bavaria, emigrated to the United States in 1851. Jacob's father, Jacob Ruppert, Sr., also worked in the brewing industry. His mother, Anna Gillig, was also of German ethnicity.