. . "seniority system" . . "U.S. House" . "Seniority_in_the_United_States_House_of_Representatives" . "Seniority in the United States House of Representatives" . "Vacant" . "length of service" . "seniority" . "senior Democrat in the House" . . . "435 voting members" . "most junior chair" . "the representative's seniority" . . . "Seniority in the United States House of Representatives" . "senior" . "United States delegates by seniority" . "20th in seniority in the House" . "Seniority in the U.S. House of Representatives" . . . . "seniority list" . . "seniority in the United States House of Representatives" . "United States representatives by seniority" .