In 1769 he was unseated for bribery.

He then vanishes from public view, probably he was playing the prodigal at home and abroad, till February, 1772, when he returned to his father's house, and married.

He then went abroad (with a barmaid) till 1773, when his father died.

In January, 1774, he took his seat in the House of Lords.

In November, 1779, Lyttelton went into Opposition.