In September 2014, when the fourth generation was introduced, the adjective Kindle was dropped. In September 2015, the fifth generation Fire 7 was announced, starting at US$49.99, followed by the sixth generation Fire HD 8, in September 2016, at US$89.99.
The president with the most children was President John Tyler, who served from 1841 to 1845. He had 15 children between the years 1815 and 1860. He had them with two different wives. Eight were with his first wife, Lettia Tyler, and the other seven were with his second wife, Julia Gardiner.
List of children of the Presidents of the United States. This is a list of children of U.S. Presidents, including stepchildren and alleged illegitimate children. All full names with married names are given. Currently there are 31 living presidential children, the oldest Lynda Byrd Johnson Robb, the youngest Barron Trump. Presidential children have been studied individually, and as a class.