Del. Const. art. VI, § 1

(a) The House of Representatives shall have the sole power of impeaching; but two-thirds of all the members must concur in an impeachment. All impeachments shall be tried by the Senate, and when sitting for that purpose, the Senators shall be upon oath or affirmation to do justice according to the evidence. No person shall be convicted without the concurrence of two-thirds of all the Senators. (b) On the trial of an impeachment against the Governor or Lieutenant Governor, the Chief Justice, or, in case of absence or disability, the Chancellor shall preside; and on the trial of all other impeachments the President of the Senate shall preside. 71 Del. Laws, c. 379 and 72 Del. Laws, c. 136; 84 Del. Laws, c. 281 and 85 Del. Laws, c. 5;