Katherine Anne Porter to American frontiersman Daniel Boone and the writer O. Henry (whose real name was William Sydney Porter), her father's second cousin. In 1892, when Porter was two years old, her mother died two months after giving birth to her last child. Porter's father took his four surviving children (an older brother had died in infancy) to live with his mother, Catherine Ann Porter, in Kyle, Texas. The depth of her grandmother's influence can be inferred from Porter's later adoption of her name. Her grandmother died while taking eleven-year-old Callie to visit relatives in Marfa, Texas. After her grandmother's death, the
William A. Porter William A. Porter William A. Porter was an American businessperson who, along with Bernie Newcomb founded the first electronic stock brokerage, E*TRADE. After the success of E*TRADE, Porter also co-founded International Securities Exchange (ISE) with Marty Averbuch and became (the first) chairman of ISE on his 70th birthday in 1998. Porter was the former chief executive officer, board member, and chairman emeritus of E*TRADE. In 2000, CNN called Porter the "forefather of online trading". Later in his life he donated money to businesses and nonprofits benefiting organic farming, recreation and community building on Kauai's North Shore. He died October 15,