I agree with the person above - the Romanov family ruled the Russian Empire from 1613 to 1917. It is not the first Russian dynasty - the first one was the House of Rurik, and the Romanov followed. The first ruler of this dynasty was Michael I, and the final one was Nicholas II.
The House of Representatives and the Senate; which created the legislative branch.
The member of the family is called a hominid
C. Slaves and non-citizens