John Carroll Power served as the first custodian of a tomb of a president and how many of his sons ?
John Carroll Power John Carroll Power (September 19, 1819–January 11, 1894) was an American historian who served as the first custodian of the tomb of Abraham Lincoln, the 16th President of the United States, at Oak Ridge Cemetery in Springfield, Illinois from its opening in 1874 to his death in 1894.
Robert Todd Lincoln Robert Todd Lincoln (August 1, 1843 – July 26, 1926) was an American politician, lawyer, and businessman. He was the first son of President Abraham Lincoln and Mary Todd Lincoln. Born in Springfield, Illinois, he was the only one of Lincoln's four sons to live an adult life (his brother Tad Lincoln died shortly after his 18th birthday), and the only member of the family to survive into the 20th century.