His service under a foreign head of state technically resulted in the loss of U.S. citizenship , rendering him ineligible for the post .
Returning to the United States in 1877 , he was nominated for the position of doorkeeper of the U.S. House of Representatives .
His service under a foreign head of state technically resulted in the loss of United States citizenship , rendering him ineligible for the post .
Returning to the United States in 1877 , he was nominated for the position of doorkeeper of the U.S. House of Representatives .