Rewrite this sentence for simplicity: Until the election is over, the Father of the House is in charge of the Bundestag.
Until the election of the president, the session is chaired by the Father of the House, the so-called " Alterspra ̈ sident ", the longest serving member of the Bundestag (since 2017, 1949-2017 the oldest member of the Bundestag by age).